APA (7th ed.) Citation

Ruitenbeek, H. M. 1. (1969). Group therapy today; styles, methods, and techniques. Atherton Press.

Chicago Style (17th ed.) Citation

Ruitenbeek, Hendrik Marinus 1928. Group Therapy Today; Styles, Methods, and Techniques. New York: Atherton Press, 1969.

MLA (9th ed.) Citation

Ruitenbeek, Hendrik Marinus 1928. Group Therapy Today; Styles, Methods, and Techniques. Atherton Press, 1969.