APA (7th ed.) Citation

Keys, P. (1995). Understanding the process of operational research: Collected readings. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Keys, Paul. Understanding the Process of Operational Research: Collected Readings. Chichester [etc.]: John Wiley & Sons, 1995.

MLA (9th ed.) Citation

Keys, Paul. Understanding the Process of Operational Research: Collected Readings. John Wiley & Sons, 1995.

Warning: These citations may not always be 100% accurate.