APA (7th ed.) Citation

Roy, E. P. (1981). Cooperatives: Development, principles, and management (4th ed.). Interstate Printers & Publishers.

Chicago Style (17th ed.) Citation

Roy, Ewell Paul. Cooperatives: Development, Principles, and Management. 4th ed. Danville, Ill.: Interstate Printers & Publishers, 1981.

MLA (9th ed.) Citation

Roy, Ewell Paul. Cooperatives: Development, Principles, and Management. 4th ed. Interstate Printers & Publishers, 1981.

Warning: These citations may not always be 100% accurate.