APA način citiranja (7. izdanje)
ebrary, Inc, Gorman, M., & Sanford, J. J. (2004). Categories: Historical and systematic essays. Catholic University of America Press.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, Michael Gorman, i Jonathan J. Sanford. Categories: Historical and Systematic Essays. Washington, D.C.: Catholic University of America Press, 2004.
MLA način citiranja (9. izdanje)
ebrary, Inc, et al. Categories: Historical and Systematic Essays. Catholic University of America Press, 2004.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.