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Chicago Citation Style, 17th Edition

A University of Lethbridge Library guide to Chicago Manual of Style citations.

Blogs and Social Media (14.208-14.209)

Example 1 – Blog Entry

N:         1. Paul Halsall, "Who Is to Blame in the Israel Palestine Debate," English Eclectic (blog), December 21, 2009,


Example 2 – Blog Comment

N:         1. Richard Landes, December 21, 2009, comment on Paul Halsall, "Who Is to Blame in the Israel Palestine Debate," English Eclectic (blog), December 21, 2009,


Example 3 – Facebook Post

N:         1. Justin Trudeau, "Busy first day in Vietnam. We're focused on a variety of important issues like increasing trade and promoting human rights," Facebook, November 8, 2017,


Example 4 – Tweet

N:         1. Donald J. Trump (@realDonaldTrump), "NoKo has interpreted America's past restraint as weakness. This would be a fatal miscalculation. Do not underestimate us. AND DO NOT TRY US," Twitter, November 8, 2017, 7:15 a.m.,


Example 5 – Instagram Photo

N:         1. World Health Organization (@who), "Stop using antibiotics in healthy animals to prevent the spread of #AntibioticResistance," Instagram photo, November 7, 2017,


NOTE: Social media content and blog entries/comments are typically only cited in notes; they are not given a bibliography entry. Should you wish to include a bibliography entry, see the example provided in the Manual, 14.208-14.209.