Cita APA (7th ed.)

Ashton, M. C. (2013). Individual differences and personality (2nd ed.). Elsevier.

Cita Chicago (17th ed.)

Ashton, MIcheal C. Individual Differences and Personality. 2nd ed. Amsterdam: Elsevier, 2013.

Cita MLA (9th ed.)

Ashton, MIcheal C. Individual Differences and Personality. 2nd ed. Elsevier, 2013.