Citazione Stile APA (7a Edizione)

Mullan, H., & Rosenbaum, M. (1978). Group psychotherapy: Theory and practice. Free Press.

Citazione stile Chigago Style (17a edizione)

Mullan, Hugh, e Max Rosenbaum. Group Psychotherapy: Theory and Practice. New York: Free Press, 1978.

Citatione MLA (9a ed.)

Mullan, Hugh, e Max Rosenbaum. Group Psychotherapy: Theory and Practice. Free Press, 1978.