APA Style

Divatia, E. et al (1974). Manual on Design Fabrication Erection and Maintenance of Steel Penstocks . New Delhi: Central Water and Power Commision.

MLA Style

Divatia, E.. et al. "Manual on Design Fabrication Erection and Maintenance of Steel Penstocks". New Delhi: Central Water and Power Commision, 1974. Text.