Cita APA (7a ed.)

Hartley, J. (1989). The applied psychologist (1. publ.). Open Univ. Pr.

Cita Chicago Style (17a ed.)

Hartley, James. The Applied Psychologist. 1. publ. Milton Keynes [u.a.]: Open Univ. Pr, 1989.

Cita MLA (8a ed.)

Hartley, James. The Applied Psychologist. 1. publ. Open Univ. Pr, 1989.