Cita APA (7th ed.)
Barret, W. E. (1962). The lilies of the field. Doubleday & company.
Cita Chicago (17th ed.)
Barret, William E. The Lilies of the Field. New York: Doubleday & company, 1962.
Cita MLA (9th ed.)
Barret, William E. The Lilies of the Field. Doubleday & company, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.