Cita APA (7a ed.)

Neumann, F. S. (1971). Regulation des Sexualverhaltens. [o.V.].

Cita Chicago Style (17a ed.)

Neumann, Friedmund; Steinbeck. Regulation Des Sexualverhaltens. [o.O.]: [o.V.], 1971.

Cita MLA (8a ed.)

Neumann, Friedmund; Steinbeck. Regulation Des Sexualverhaltens. [o.V.], 1971.