Cita APA

Bates, M. M., & Johnson, C. D. (1972). Group leadership: A manual for group counseling leaders. Denver, Colo.: Love Publishing.

Citación estilo Chicago

Bates, Marilyn M., y Clarence D. Johnson. Group Leadership: A Manual for Group Counseling Leaders. Denver, Colo.: Love Publishing, 1972.

Cita MLA

Bates, Marilyn M., y Clarence D. Johnson. Group Leadership: A Manual for Group Counseling Leaders. Denver, Colo.: Love Publishing, 1972.