Cita APA (7a ed.)

Duvall, E. R. M. (1977). Marriage and family development (5th ed.). Lippincott.

Cita Chicago Style (17a ed.)

Duvall, Evelyn Ruth Millis. Marriage and Family Development. 5th ed. Philadelphia: Lippincott, 1977.

Cita MLA (9a ed.)

Duvall, Evelyn Ruth Millis. Marriage and Family Development. 5th ed. Lippincott, 1977.