Cita APA (7th ed.)

Penland, P. R., & Fine, S. (1974). Group dynamics and individual development. M. Dekker.

Cita Chicago (17th ed.)

Penland, Patrick R., i Sara Fine. Group Dynamics and Individual Development. New York: M. Dekker, 1974.

Cita MLA (8th ed.)

Penland, Patrick R., i Sara Fine. Group Dynamics and Individual Development. M. Dekker, 1974.