APA Style

Shrestha, S. et al (2011.). A textbook of engineering mathematics vol.I (2nd ed.). Kathmandu: Vidyarthi Pustak Bhandar.

MLA Style

Shrestha, S.P.. et al. "A textbook of engineering mathematics vol.I". 2nd ed. Kathmandu: Vidyarthi Pustak Bhandar, 2011.. Text.