APA (7th ed.) Citation

England, W. B., Leenders, M. R., & Lewis, H. T. (1975). Purchasing and materials management (6th ed.). R. D. Irwin.

Chicago Style (17th ed.) Citation

England, Wilbur B., Michiel R. Leenders, and Howard T. Lewis. Purchasing and Materials Management. 6th ed. Homewood, Ill.: R. D. Irwin, 1975.

MLA (9th ed.) Citation

England, Wilbur B., et al. Purchasing and Materials Management. 6th ed. R. D. Irwin, 1975.