Answered By: Katie Hutchison
Last Updated: Oct 13, 2016     Views: 13208

In Chicago style, one uses the abbreviation ibid. in footnotes or endnotes when citing the same page from the same consecutively.  If, for example, you reference this article more than once, you may use the abbreviation in your footnotes like so:

  1. Susan Peck MacDonald, “The Erasure of Language,” College Composition and Communication 58, no. 4 (2007): 619.
  2. Ibid.

Op. cit. is used to direct your reader to a previously noted full citation located somewhere else in your work.  It is falling into disuse.  It must include some indication of the work you are referring to, the abbreviation op. cit. and should include the page number.  An example of use would appear like so:

  1. MacDonald op. cit., p.620

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