APA (7th ed.) Citation

Marcum, W. (1991). Teenagers and group dynamics. Group Books.

Chicago Style (17th ed.) Citation

Marcum, Walt. Teenagers and Group Dynamics. Colorado: Group Books, 1991.

MLA (9th ed.) Citation

Marcum, Walt. Teenagers and Group Dynamics. Group Books, 1991.

Warning: These citations may not always be 100% accurate.