APA (7th ed.) Citation

Farrell, P., Giunipero, L., Heinritz, S., & Kolchin, M. (1991). Purchasing: Principles and applications (8th.). prentice hall.

Chicago Style (17th ed.) Citation

Farrell, P., L. Giunipero, S. Heinritz, and M. Kolchin. Purchasing: Principles and Applications. 8th. London: prentice hall, 1991.

MLA (8th ed.) Citation

Farrell, P., et al. Purchasing: Principles and Applications. 8th. prentice hall, 1991.