How to reference a social media post in Chicago

A post footnote in Chicago has 5 parts. See them labelled on an example, then build your own and copy it.

  • In your essay: A footnote, or (Author year)
  • Checked 21 October 2026

Pip tip: in KanBananza, right-click any page and choose “Save as a source”. Most of this is filled in for you.

The 5 parts

Account, “Post,” Platform, Date, Web address.

The example footnote, with each part labelled

1 · ACCOUNTCampus Library (@campuslibrary), 2 · POST“Open until midnight all exam week,”3 · PLATFORMX, 4 · DATEJanuary 12, 2025, 5 · WEB ADDRESShttps://x.com/campuslibrary/status/1.

  1. 1 · AccountThe organisation’s name, as it gives it.The account’s name, with its handle in square brackets, like [@campuslibrary].
  2. 2 · PostIn double quotation marks.The post’s first words, as written.
  3. 3 · PlatformAs the source gives it.The platform, like X or Instagram.
  4. 4 · DateThe date, written like this: January 12, 2025.The date it was posted.
  5. 5 · Web addressThe full web address.Copy the post’s own link from the Share button.

Chicago leaves a social media post out of the bibliography: the footnote is all you need.

Two places, one source

IN YOUR ESSAY

The library stays open late in exam weeks.1

A footnote number, after the full stop.
IN YOUR FOOTNOTE

1 Campus Library (@campuslibrary), “Open until midnight all exam week,” X, January 12, 2025, https://x.com/campuslibrary/status/1.

The footnote gives the full details, at the bottom of the page.

Using Chicago author-date instead?

Some courses use Chicago’s other form: the author and year in brackets in your text, and a reference list at the end. Here’s the same post:

The example in Chicago author-date, with each part labelled

1 · ACCOUNTCampus Library (@campuslibrary). 2 · DATE2025. 3 · POST“Open until midnight all exam week.”4 · PLATFORMX, 5 · DATEJanuary 12. 6 · WEB ADDRESShttps://x.com/campuslibrary/status/1.

In your essay: The library stays open late in exam weeks (Campus Library 2025).

Build your footnote

Fill in what you have. Anything still missing is highlighted. Nothing you type leaves this page.

Surname, then first name. Separate people with a semicolon (;).
Like 2025, May 2025 or 5 May 2025.
Like 14 October 2026.
YOUR FOOTNOTEReady to copy

Campus Library (@campuslibrary), “Open until midnight all exam week,” X, January 12, 2025, https://x.com/campuslibrary/status/1.

Pip tip: the formatting stays when you paste into Word or Google Docs. If it doesn’t, select it and press Ctrl+I.

What if…

  • No date

    Write “n.d.” where the date goes. And add the date you looked at it, after “accessed”.

    Campus Library (@campuslibrary), “Open until midnight all exam week,” X, n.d., accessed October 14, 2026, https://x.com/campuslibrary/status/1.

  • Two authors

    Give both names, joined with “and”.

    Amara Green and Ravi Patel, “Open until midnight all exam week,” X, January 12, 2025, https://x.com/campuslibrary/status/1.

  • Four or more authors

    Give the first author, then “et al.”, which means “and others”.

    Amara Green et al., “Open until midnight all exam week,” X, January 12, 2025, https://x.com/campuslibrary/status/1.

Check your university’s version

Chicago has two forms, and departments choose one. Don’t mix them in one piece of work. Your course handbook always wins.

This guide follows The Chicago Manual of Style, 18th edition, in both its forms: notes and bibliography, and author-date.

The full Chicago guide

Questions

What goes in the footnote?

The first time you cite it, the footnote gives the full details: Campus Library (@campuslibrary), “Open until midnight all exam week,” X, January 12, 2025, https://x.com/campuslibrary/status/1.

What if there’s no date?

Check the page or document again first. If there really is none, here’s how Chicago sets it out: Campus Library (@campuslibrary), “Open until midnight all exam week,” X, n.d., accessed October 14, 2026, https://x.com/campuslibrary/status/1.

Is Chicago the same at every university?

Chicago has two forms, and departments choose one. Don’t mix them in one piece of work. Your course handbook always wins.

Referencing is easier as you go

Our step-by-step guides show how to keep your sources in order while you research and write, so the reference list is ready when you are.

Skip the typing next time

In KanBananza, right-click any page and choose “Save as a source”. The details are filled in for you, anything missing is flagged, and your reference list is made in your style. Harvard is free; the other styles come with Full Bananza.

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