Cita APA (7th ed.)
Sheldon, S. (1970). The naked face. Warner Books.
Cita Chicago (17th ed.)
Sheldon, Sidney. The Naked Face. New York: Warner Books, 1970.
Cita MLA (9th ed.)
Sheldon, Sidney. The Naked Face. Warner Books, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.