Cita APA (7a ed.)

Irving, J. (1999). A widow for one year: John Irving (1. Auflage.). Ballantine.

Cita Chicago Style (17a ed.)

Irving, John. A Widow for One Year: John Irving. 1. Auflage. New York: Ballantine, 1999.

Cita MLA (8a ed.)

Irving, John. A Widow for One Year: John Irving. 1. Auflage. Ballantine, 1999.