Irving, J. (1999). The world according to garp. London : Black Swan.
Cita Chicago (17th ed.)Irving, John. The World According to Garp. London : Black Swan, 1999.
Cita MLA (9th ed.)Irving, John. The World According to Garp. London : Black Swan, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.