APA (7th ed.) Citation

Schorr, J. E. (1992). Purchasing in the 21st century: A guide to state-of-the-art techniques and strategies. O. Wight Publications.

Chicago Style (17th ed.) Citation

Schorr, John E. Purchasing in the 21st Century: A Guide to State-of-the-art Techniques and Strategies. Essex Junction, Vt.: O. Wight Publications, 1992.

MLA (9th ed.) Citation

Schorr, John E. Purchasing in the 21st Century: A Guide to State-of-the-art Techniques and Strategies. O. Wight Publications, 1992.