Cita APA (7a ed.)

Barrett, J., & Williams, G. (1981). Test your own job aptitude: Exploring your career potential. Penguin.

Cita Chicago Style (17a ed.)

Barrett, James, y Geoffrey Williams. Test Your Own Job Aptitude: Exploring Your Career Potential. New York: Penguin, 1981.

Cita MLA (9a ed.)

Barrett, James, y Geoffrey Williams. Test Your Own Job Aptitude: Exploring Your Career Potential. Penguin, 1981.