APA (7th ed.) Citation

Egan, G., & Cowan, M. A. (1979). People in systems: A model for development in the human-service professions and education. Brooks/Cole Pub. Co..

Chicago Style (17th ed.) Citation

Egan, Gerard, and Michael A. Cowan. People in Systems: A Model for Development in the Human-service Professions and Education. Monterey, Calif.: Brooks/Cole Pub. Co., 1979.

MLA (9th ed.) Citation

Egan, Gerard, and Michael A. Cowan. People in Systems: A Model for Development in the Human-service Professions and Education. Brooks/Cole Pub. Co., 1979.