APA (7th ed.) Citation

Lonergan, E. C. (1982). Group intervention: How to begin and maintain groups in medical and psychiatric settings. J. Aronson.

Chicago Style (17th ed.) Citation

Lonergan, Elaine Cooper. Group Intervention: How to Begin and Maintain Groups in Medical and Psychiatric Settings. New York: J. Aronson, 1982.

MLA (9th ed.) Citation

Lonergan, Elaine Cooper. Group Intervention: How to Begin and Maintain Groups in Medical and Psychiatric Settings. J. Aronson, 1982.