APA Style

Verma, P.S., Pandey, B.P.. (2001). Texbook of Biology : for class XI . New Delhi: S.Chand.

Chicago Style

Verma, P.S., Pandey, B.P.. Texbook of Biology : for class XI. New Delhi: S.Chand, 2001. Text.

MLA Style

Verma, P.S., Pandey, B.P.. Texbook of Biology : for class XI. New Delhi: S.Chand, 2001. Text.

Turabian Style

Verma, P.S., Pandey, B.P.. Texbook of Biology : for class XI. New Delhi: S.Chand, 2001. Print.