APA (7th ed.) Citation

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

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: Oliver Wight, 1992.

MLA (9th ed.) Citation

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