APA (7th ed.) Citation

Freud, S., & McLintock, D. (2002). Civilization and its discontents. Penguin.

Chicago Style (17th ed.) Citation

Freud, Sigmund, and David McLintock. Civilization and Its Discontents. London: Penguin, 2002.

MLA (9th ed.) Citation

Freud, Sigmund, and David McLintock. Civilization and Its Discontents. Penguin, 2002.

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