APA (7th ed.) Citation

Johnson, D. W., & Johnson, R. T. (1989). Leading the cooperative school. Interaction Book Co.

Chicago Style (17th ed.) Citation

Johnson, David W., and Roger T. Johnson. Leading the Cooperative School. Edina, Minn: Interaction Book Co, 1989.

MLA (9th ed.) Citation

Johnson, David W., and Roger T. Johnson. Leading the Cooperative School. Interaction Book Co, 1989.