APA Edition Citation

Johnson, D. W., & Johnson, F. P. (1997). Joining together : group theory and group skills / David W. Johnson, Frank P. Johnson: Group theory and group skills (6th ed.). Allyn and Bacon.

Chicago Edition Citation

Johnson, David W., and Frank P. Johnson. Joining Together : Group Theory and Group Skills / David W. Johnson, Frank P. Johnson: Group Theory and Group Skills. 6th ed. Boston, Mass.: Allyn and Bacon, 1997.

MLA Edition Citation

Johnson, David W., and Frank P. Johnson. Joining Together : Group Theory and Group Skills / David W. Johnson, Frank P. Johnson: Group Theory and Group Skills. 6th ed. Allyn and Bacon, 1997.