APA (7th ed.) Citation

Harper, W. M., & Lim, H. C. (1982). Operational research (Second edition.). Pitman Publishing Ltd.

Chicago Style (17th ed.) Citation

Harper, W. M., and H. C. Lim. Operational Research. Second edition. London: Pitman Publishing Ltd, 1982.

MLA (9th ed.) Citation

Harper, W. M., and H. C. Lim. Operational Research. Second edition. Pitman Publishing Ltd, 1982.

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