APA (7th ed.) Citation

Levin, G. H. (1975). Sigmund Freud. Twayne Publishers.

Chicago Style (17th ed.) Citation

Levin, Gerald Henry. Sigmund Freud. Boston: Twayne Publishers, 1975.

MLA (9th ed.) Citation

Levin, Gerald Henry. Sigmund Freud. Twayne Publishers, 1975.

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