A manual for writers of research papers, theses, and dissertations, 7th edition - Kate L. Turabian 2007

Reference list style
General introduction to citation practices
Part II. Source Citation

In reference list—style citations, you signal that you have used a source by placing a parenthetical citation (including author, date, and relevant page numbers) next to your reference to it:

He argues that “in an uncertain world, printed materials can be put to use in ways that make them powerful” (Johns 1998, 623).

At the end of the paper, you list all sources in a reference list. That list normally includes every source you cited in a parenthetical citation and sometimes others you consulted but did not cite. Each reference list entry includes complete bibliographical information for a source, since parenthetical citations do not. All reference list entries have the same general form:

R: Johns, Adrian. 1998. The nature of the book: Print and knowledge in the making. Chicago: Univ. of Chicago Press.