APA

Kotpal RL, . (2014). Modern Textbook of Zoology Vertebrates. : Rastogi & Co., Meerut.

Chicago

Kotpal RL, . 2014. Modern Textbook of Zoology Vertebrates. : Rastogi & Co., Meerut.

Harvard

Kotpal RL, . (2014). Modern Textbook of Zoology Vertebrates. : Rastogi & Co., Meerut.

MLA

Kotpal RL, . Modern Textbook of Zoology Vertebrates. : Rastogi & Co., Meerut. 2014.