APA

Kotpal R. L. e. a., . (2005). Modern textbook of zoology invertebrates. : Rastogi Publications, Meerut.

Chicago

Kotpal R L et al, . 2005. Modern textbook of zoology invertebrates. : Rastogi Publications, Meerut.

Harvard

Kotpal R. L. e. a., . (2005). Modern textbook of zoology invertebrates. : Rastogi Publications, Meerut.

MLA

Kotpal R L et al, . Modern textbook of zoology invertebrates. : Rastogi Publications, Meerut. 2005.