• Chicago reference

      The Chicago style (or Oxford style) uses footnotes in the text, and the source is reported in the footnote.

      The footnote used in the text will look like this:

      “Arnold Smith has studied this phenomenom at length.1

      The footnote at the bottom of the page will look like this:

      1 Arnold Smith, Living together or apart: An Investigation of the Housing Preferences among College Students (New York: Harper & Lea Publishers, 1998), 82–83.

      For subsequent mentions of the paper, on the same page or on other pages, the citation is shortened:

      2 Smith, Living together or apart, 88.