APA (7th ed.) Citation

Zenz, G. J., & Thompson, G. H. (1994). Purchasing and the management of materials (7th ed.). Wiley.

Chicago Style (17th ed.) Citation

Zenz, Gary Joseph, and George H. Thompson. Purchasing and the Management of Materials. 7th ed. New York: Wiley, 1994.

MLA (9th ed.) Citation

Zenz, Gary Joseph, and George H. Thompson. Purchasing and the Management of Materials. 7th ed. Wiley, 1994.