APA (7th ed.) Citation

Fry, W. F. (1963). Sweet madness: A study of humor. Pacific Books.

Chicago Style (17th ed.) Citation

Fry, William F. Sweet Madness: A Study of Humor. Palo Alto, Calif.: Pacific Books, 1963.

MLA (9th ed.) Citation

Fry, William F. Sweet Madness: A Study of Humor. Pacific Books, 1963.