Cita APA (7a ed.)

Barrett, J. (2008). Ultimate aptitude tests: Assess your potential with aptitude, motivational and personality tests (2nd ed.). Kogan Page.

Cita Chicago Style (17a ed.)

Barrett, Jim. Ultimate Aptitude Tests: Assess Your Potential with Aptitude, Motivational and Personality Tests. 2nd ed. London: Kogan Page, 2008.

Cita MLA (9a ed.)

Barrett, Jim. Ultimate Aptitude Tests: Assess Your Potential with Aptitude, Motivational and Personality Tests. 2nd ed. Kogan Page, 2008.