Cita APA

Nuttin, J. 1., & Lens, W. (1985). Future time perspective and motivation: Theory and research method. Leuven, Belgium: Leuven University Press.

Citación estilo Chicago

Nuttin, Jozef 1909-, y Willy Lens. Future Time Perspective and Motivation: Theory and Research Method. Leuven, Belgium: Leuven University Press, 1985.

Cita MLA

Nuttin, Jozef 1909-, y Willy Lens. Future Time Perspective and Motivation: Theory and Research Method. Leuven, Belgium: Leuven University Press, 1985.