APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Johnson, James A. Group Therapy: A Practical Approach. New York, NY [u.a.]: McGraw-Hill, 1963.

MLA (9th ed.) Citation

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