Cita APA (7a ed.)
ebrary, Inc, & Villanueva, J. P. (2010). Personality traits: Classifications, effects, and changes. Nova Science Publishers.
Cita Chicago Style (17a ed.)
ebrary, Inc, y John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Hauppauge, NY: Nova Science Publishers, 2010.
Cita MLA (9a ed.)
ebrary, Inc, y John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Nova Science Publishers, 2010.
Precaución: Estas citas no son 100% exactas.