APA (7th ed.) Citation

Iyengar, Gupta, & Nigam. (1980). Programming methods in structural design. Wiley.

Chicago Style (17th ed.) Citation

Iyengar, Gupta, and Nigam. Programming Methods in Structural Design. New York: Wiley, 1980.

MLA (8th ed.) Citation

Iyengar, et al. Programming Methods in Structural Design. Wiley, 1980.