APA (7th ed.) Citation

Johnson, D. W., Johnson, R. T., & Holubec, E. J. (1998). Cooperation in the classroom ([7. ed.].). Interaction Book Co.

Chicago Style (17th ed.) Citation

Johnson, David W., Roger T. Johnson, and Edythe Johnson Holubec. Cooperation in the Classroom. [7. ed.]. Edina, Minn: Interaction Book Co, 1998.

MLA (9th ed.) Citation

Johnson, David W., et al. Cooperation in the Classroom. [7. ed.]. Interaction Book Co, 1998.