APA način citiranja (7. izdanje)

ebrary, Inc, & Nicgorski, W. (2012). Cicero's practical philosophy. University of Notre Dame Press.

Čikaški stil citiranja (17. izdanje)

ebrary, Inc, i Walter Nicgorski. Cicero's Practical Philosophy. Notre Dame, Ind.: University of Notre Dame Press, 2012.

MLA način citiranja (9. izdanje)

ebrary, Inc, i Walter Nicgorski. Cicero's Practical Philosophy. University of Notre Dame Press, 2012.