Ettin, M. F. (1999). Foundations and applications of group psychotherapy: A sphere of influence ([2nd ed.].). J. Kingsley Publishers.
Chicago Edition CitationEttin, Mark F. Foundations and Applications of Group Psychotherapy: A Sphere of Influence. [2nd ed.]. London ; Philadelphia, Pa.: J. Kingsley Publishers, 1999.
MLA Edition CitationEttin, Mark F. Foundations and Applications of Group Psychotherapy: A Sphere of Influence. [2nd ed.]. J. Kingsley Publishers, 1999.
Warning: These citations may not always be 100% accurate.