APA (7th ed.) Citation

Lieberman, M. A., Miles, M. B., & Yalom, I. D. (1973). Encounter groups: First facts. Basic Books.

Chicago Style (17th ed.) Citation

Lieberman, Morton A., Matthew B. Miles, and Irvin D. Yalom. Encounter Groups: First Facts. New York: Basic Books, 1973.

MLA (9th ed.) Citation

Lieberman, Morton A., et al. Encounter Groups: First Facts. Basic Books, 1973.