APA (7th ed.) Citation

Irving, J. (1998). The world according to garp. Black Swan.

Chicago Style (17th ed.) Citation

Irving, John. The World According to Garp. London: Black Swan, 1998.

MLA (8th ed.) Citation

Irving, John. The World According to Garp. Black Swan, 1998.

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