APA (7th ed.) Citation

Freud, S., Tyson, A., & Richards, A. (1991). The psychopathology of everyday life. Penguin Books.

Chicago Style (17th ed.) Citation

Freud, Sigmund, Alan Tyson, and Angela Richards. The Psychopathology of Everyday Life. London: Penguin Books, 1991.

MLA (9th ed.) Citation

Freud, Sigmund, et al. The Psychopathology of Everyday Life. Penguin Books, 1991.