APA (7th ed.) Citation

Zimmerman, D. H., Wieder, D. L., & Zimmerman, S. (1976). Understanding social problems. Praeger.

Chicago Style (17th ed.) Citation

Zimmerman, Donald H., D. Lawrence Wieder, and Siu Zimmerman. Understanding Social Problems. New York: Praeger, 1976.

MLA (9th ed.) Citation

Zimmerman, Donald H., et al. Understanding Social Problems. Praeger, 1976.