Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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