APA (7th ed.) Citation

Leenders, M. R., Flaron, H. E., & England, W. B. (1985). Purchasing and materials management (8. ed.). Irwin.

Chicago Style (17th ed.) Citation

Leenders, Michiel R., Harold E. Flaron, and Wilbur B. England. Purchasing and Materials Management. 8. ed. Homewood, Ill: Irwin, 1985.

MLA (9th ed.) Citation

Leenders, Michiel R., et al. Purchasing and Materials Management. 8. ed. Irwin, 1985.