APA način citiranja (7. izdanje)
ebrary, Inc, & Villanueva, J. P. (2010). Personality traits: Classifications, effects, and changes. Nova Science Publishers.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, i John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Hauppauge, NY: Nova Science Publishers, 2010.
MLA način citiranja (9. izdanje)
ebrary, Inc, i John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Nova Science Publishers, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.