Cita APA (7a ed.)

Fletcher, C. (1991). What cops know: Cops talk about what they do, how they do it, and what it does to them (1. ed.). Villard Books.

Cita Chicago Style (17a ed.)

Fletcher, Connie. What Cops Know: Cops Talk About What They Do, How They Do It, and What It Does to Them. 1. ed. New York: Villard Books, 1991.

Cita MLA (8a ed.)

Fletcher, Connie. What Cops Know: Cops Talk About What They Do, How They Do It, and What It Does to Them. 1. ed. Villard Books, 1991.