Cita APA (7th ed.)

Rudolph, U. (2003). Motivationspsychologie. Beltz PVU.

Cita Chicago (17th ed.)

Rudolph, Udo. Motivationspsychologie. Weinheim u.a.: Beltz PVU, 2003.

Cita MLA (8th ed.)

Rudolph, Udo. Motivationspsychologie. Beltz PVU, 2003.