Citazione Stile APA (7a Edizione)

Johnson, J. A. (1963). Group therapy: A practical approach. Blakiston Division, McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Johnson, James A. Group Therapy: A Practical Approach. New York: Blakiston Division, McGraw-Hill, 1963.

Citatione MLA (9a ed.)

Johnson, James A. Group Therapy: A Practical Approach. Blakiston Division, McGraw-Hill, 1963.