APA Edition Citation

Prem Kumar Gupta, D., & Hira, D. (2012). Operations research. S. Chand.

Chicago Edition Citation

Prem Kumar Gupta, D.S, and D.S Hira. Operations Research. New Delhi: S. Chand, 2012.

MLA Edition Citation

Prem Kumar Gupta, D.S, and D.S Hira. Operations Research. S. Chand, 2012.