APA (7th ed.) Citation

Irving, J. (1999). The world according to garp. London : Black Swan.

Chicago Style (17th ed.) Citation

Irving, John. The World According to Garp. London : Black Swan, 1999.

MLA (9th ed.) Citation

Irving, John. The World According to Garp. London : Black Swan, 1999.

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