APA Style

Shrestha, S. et al (2016.). A textbook of engineering mathematics vol.I (3rd ed.). Kathmandu: Vidyarthi Pustak Bhandar.

MLA Style

Shrestha, S.P.. et al. "A textbook of engineering mathematics vol.I". 3rd ed. Kathmandu: Vidyarthi Pustak Bhandar, 2016.. print.