Cita APA (7th ed.)
Osborne, C. G. (1975). The art of understanding your mate. Zondervan.
Cita Chicago (17th ed.)
Osborne, Cecil G. The Art of Understanding Your Mate. Michigan: Zondervan, 1975.
Cita MLA (9th ed.)
Osborne, Cecil G. The Art of Understanding Your Mate. Zondervan, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.