APA (7th ed.) Citation

Johnson, D. W., & Johnson, R. T. (1992). Positive Interdependence: The heart of cooperative learning. Interaction Book Company.

Chicago Style (17th ed.) Citation

Johnson, David W., and Roger T. Johnson. Positive Interdependence: The Heart of Cooperative Learning. Interaction Book Company, 1992.

MLA (9th ed.) Citation

Johnson, David W., and Roger T. Johnson. Positive Interdependence: The Heart of Cooperative Learning. Interaction Book Company, 1992.