APA Edition Citation

gupta, P. K., Manmohan, & Swarup, K. (1988). Operations research (Ed.4.).

Chicago Edition Citation

gupta, P K., Manmohan, and Kanti Swarup. Operations Research. Ed.4. New Delhi, Sultan Chand & Sons, 1988.

MLA Edition Citation

gupta, P K., et al. Operations Research. Ed.4. 1988.