Cita APA (7th ed.)
Menninger, K. A. (1975). Whatever become of sin? Hawthorn.
Cita Chicago (17th ed.)
Menninger, Karl A. Whatever Become of Sin? New York: Hawthorn, 1975.
Cita MLA (9th ed.)
Menninger, Karl A. Whatever Become of Sin? Hawthorn, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.