Cita APA (7th ed.)
Peyrefitte, R., & Hyams, E. (1968). Special friendships. Panther.
Cita Chicago (17th ed.)
Peyrefitte, Roger, i Edward Hyams. Special Friendships. London: Panther, 1968.
Cita MLA (9th ed.)
Peyrefitte, Roger, i Edward Hyams. Special Friendships. Panther, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.