APA (7th ed.) Citation
Knapp, G. P. (1982). Erich Fromm. Colloqium Verl.
Chicago Style (17th ed.) Citation
Knapp, Gerhard P. Erich Fromm. Berlin: Colloqium Verl, 1982.
MLA (9th ed.) Citation
Knapp, Gerhard P. Erich Fromm. Colloqium Verl, 1982.
Warning: These citations may not always be 100% accurate.