APA (7th ed.) Citation

Gregory, R. W., & Stoffel, L. L. (1971). Public libraries in cooperative systems: Administrative patterns for service. American Library Association.

Chicago Style (17th ed.) Citation

Gregory, Ruth W., and Lester L. Stoffel. Public Libraries in Cooperative Systems: Administrative Patterns for Service. Chicago: American Library Association, 1971.

MLA (9th ed.) Citation

Gregory, Ruth W., and Lester L. Stoffel. Public Libraries in Cooperative Systems: Administrative Patterns for Service. American Library Association, 1971.