APA (7th ed.) Citation

Arnold, W. Lexikon der Psychologie. Herder.

Chicago Style (17th ed.) Citation

Arnold, Wilhelm. Lexikon Der Psychologie. Freiburg i.Br. [u.a.]: Herder.

MLA (8th ed.) Citation

Arnold, Wilhelm. Lexikon Der Psychologie. Herder.

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