APA (7th ed.) Citation

Hansen, J. C., Warner, R. W., & Smith, E. J. (1976). Group counseling: Theory and process. Rand McNally.

Chicago Style (17th ed.) Citation

Hansen, James C., Richard W. Warner, and Elsie J. Smith. Group Counseling: Theory and Process. Chicago: Rand McNally, 1976.

MLA (9th ed.) Citation

Hansen, James C., et al. Group Counseling: Theory and Process. Rand McNally, 1976.