APA (7th ed.) Citation

FREUD, S. (1986). Jokes and their relation to the unconncious. Penguin Books.

Chicago Style (17th ed.) Citation

FREUD, Sigmund. Jokes and Their Relation to the Unconncious. Middlesex: Penguin Books, 1986.

MLA (9th ed.) Citation

FREUD, Sigmund. Jokes and Their Relation to the Unconncious. Penguin Books, 1986.

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