APA (7th ed.) Citation

ebrary, Inc, & Villanueva, J. P. (2010). Personality traits: Classifications, effects, and changes. Nova Science Publishers.

Chicago Style (17th ed.) Citation

ebrary, Inc, and John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Hauppauge, NY: Nova Science Publishers, 2010.

MLA (9th ed.) Citation

ebrary, Inc, and John Paul Villanueva. Personality Traits: Classifications, Effects, and Changes. Nova Science Publishers, 2010.