Cita APA (7a ed.)

Ruitenbeek, H. M. (1970). The new group therapies. Avon.

Cita Chicago Style (17a ed.)

Ruitenbeek, Hendrik Marinus. The New Group Therapies. New York: Avon, 1970.

Cita MLA (9a ed.)

Ruitenbeek, Hendrik Marinus. The New Group Therapies. Avon, 1970.