APA (7th ed.) Citation

American Psychological Association. (1956). Contemporary psychology. [Verlag nicht ermittelbar].

Chicago Style (17th ed.) Citation

American Psychological Association. Contemporary Psychology. Baltimore, Md. [u.a.]: [Verlag nicht ermittelbar], 1956.

MLA (8th ed.) Citation

American Psychological Association. Contemporary Psychology. [Verlag nicht ermittelbar], 1956.

Warning: These citations may not always be 100% accurate.