Cita APA (7a ed.)

Wit, H. F. d. (1991). Contemplative Psychology. Duquesne University Press.

Cita Chicago Style (17a ed.)

Wit, H. F. de. Contemplative Psychology. Pittsburgh, Pa.: Duquesne University Press, 1991.

Cita MLA (8a ed.)

Wit, H. F. de. Contemplative Psychology. Duquesne University Press, 1991.