Cita APA (7th ed.)
Kelley, R. K. (1979). Courtship, Marriage, and the family (3rd ed.). Harcourt.
Cita Chicago (17th ed.)
Kelley, Robert K. Courtship, Marriage, and the Family. 3rd ed. New York: Harcourt, 1979.
Cita MLA (9th ed.)
Kelley, Robert K. Courtship, Marriage, and the Family. 3rd ed. Harcourt, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.