APA Edition Citation

Leenders, M. R., England, W. B., & Fearon,Harold E. (1989). Purchasing and materials management (9th ed.). Universal book stall.

Chicago Edition Citation

Leenders, Michiel R., Wilbur B. England, and Fearon,Harold E. Purchasing and Materials Management. 9th ed. New Delhi: Universal book stall, 1989.

MLA Edition Citation

Leenders, Michiel R., et al. Purchasing and Materials Management. 9th ed. Universal book stall, 1989.