APA (7th ed.) Citation

Marcuse, L. (1972). Sigmund Freud. Diogenes.

Chicago Style (17th ed.) Citation

Marcuse, Ludwig. Sigmund Freud. Diogenes, 1972.

MLA (9th ed.) Citation

Marcuse, Ludwig. Sigmund Freud. Diogenes, 1972.

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