Cita APA (7th ed.)

Knight, J. F. (1979). What a married couple should knew about sex. Pacific Press.

Cita Chicago (17th ed.)

Knight, John F. What a Married Couple Should Knew About Sex. Mountain View: Pacific Press, 1979.

Cita MLA (9th ed.)

Knight, John F. What a Married Couple Should Knew About Sex. Pacific Press, 1979.