APA (7th ed.) Citation

Irving, J. (1978). The world according to Garp. Pocket Books.

Chicago Style (17th ed.) Citation

Irving, John. The World According to Garp. New York: Pocket Books, 1978.

MLA (9th ed.) Citation

Irving, John. The World According to Garp. Pocket Books, 1978.

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