Cita APA (7a ed.)

Schwermer, J. (1966). Die experimentelle Willenspsychologie Kurt Lewins. Psychologia universalis.

Cita Chicago Style (17a ed.)

Schwermer, Josef. "Die Experimentelle Willenspsychologie Kurt Lewins." Psychologia Universalis 1966.

Cita MLA (9a ed.)

Schwermer, Josef. "Die Experimentelle Willenspsychologie Kurt Lewins." Psychologia Universalis, 1966.