APA Edition Citation

Prem Kumar Gupta & D S Hira. (1999). Operations Research. S. Chand & Company Ltd.

Chicago Edition Citation

Prem Kumar Gupta and D S Hira. Operations Research. Ram Nagar, New Delhi: S. Chand & Company Ltd, 1999.

MLA Edition Citation

Prem Kumar Gupta and D S Hira. Operations Research. S. Chand & Company Ltd, 1999.