Cita APA (7th ed.)
Marcum, W. (1991). Teenagers and group dynamics. Group Books.
Cita Chicago (17th ed.)
Marcum, Walt. Teenagers and Group Dynamics. Colorado: Group Books, 1991.
Cita MLA (9th ed.)
Marcum, Walt. Teenagers and Group Dynamics. Group Books, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.