APA (7th ed.) Citation

Johnson, D. W., & Johnson, F. P. (1975). Joining together: Group theory and group skills. Prentice-Hall International.

Chicago Style (17th ed.) Citation

Johnson, David W., and Frank Pierce Johnson. Joining Together: Group Theory and Group Skills. London: Prentice-Hall International, 1975.

MLA (9th ed.) Citation

Johnson, David W., and Frank Pierce Johnson. Joining Together: Group Theory and Group Skills. Prentice-Hall International, 1975.