APA Style

Bas, B, C, B, N. (2010). An Introduction To Astrophysics (second edition). New Delhi: PHI Learning Private Limited.

MLA Style

Bas, Baidyanath, Chattopadhyay,Tanuka, Biswas,Sudhindra, Nath. "An Introduction To Astrophysics". second edition New Delhi: PHI Learning Private Limited, 2010. Text.