Cita APA (7th ed.)
Greif, G. L. (2009). Buddy system: Understanding male friendships. Oxford University Press.
Cita Chicago (17th ed.)
Greif, Geoffrey L. Buddy System: Understanding Male Friendships. Oxford ; New York: Oxford University Press, 2009.
Cita MLA (9th ed.)
Greif, Geoffrey L. Buddy System: Understanding Male Friendships. Oxford University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.