Selections from the Federal Theatre Project 1935-1939. Citations follow standardized rules for arranging the citation elements. Style manuals are books that explain the rules for citations. The first two examples above use the rules in A Manual for Writers of Term Papers, Theses, and Dissertations , by Kate Turabian. This and other style manuals are in the UNLV Libraries.
Most disciplines have a preferred style manual.
You may have been told which style manual to use. If not, ask your instructor. General Purpose Style Manuals Turabian, Kate L. A Manual for Writers of Term Papers, Theses, and Dissertations Campbell, William Giles. A Manual for Writers and Librarians Shields and Uhle. Here are two style manuals for citing electronic or Web-based sources Li and Crane.