Cita APA (7a ed.)

O'Brien, G. E. (1986). Psychology of work and unemployment. Wiley.

Cita Chicago Style (17a ed.)

O'Brien, Gordon E. Psychology of Work and Unemployment. Chichester [u.a.]: Wiley, 1986.

Cita MLA (8a ed.)

O'Brien, Gordon E. Psychology of Work and Unemployment. Wiley, 1986.