APA (7th ed.) Citation

Wirt, J. G. (1971). Optimization of price and quality in service systems.

Chicago Style (17th ed.) Citation

Wirt, John G. Optimization of Price and Quality in Service Systems. Santa Monica, Calif, 1971.

MLA (9th ed.) Citation

Wirt, John G. Optimization of Price and Quality in Service Systems. 1971.