Cita APA (7th ed.)
Osborne, G. C. (1967). The art of understanding yourself. Zondervan Pub.
Cita Chicago (17th ed.)
Osborne, G. Cecil. The Art of Understanding Yourself. Michigan: Zondervan Pub, 1967.
Cita MLA (9th ed.)
Osborne, G. Cecil. The Art of Understanding Yourself. Zondervan Pub, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.