APA

Richard Grimmett, Carol Inskipp & Tim Inskipp. (2011). Birds of the Indian subcontinent. : Oxford University Press.

Chicago

Richard Grimmett, Carol Inskipp and Tim Inskipp. 2011. Birds of the Indian subcontinent. : Oxford University Press.

Harvard

Richard Grimmett, Carol Inskipp and Tim Inskipp. (2011). Birds of the Indian subcontinent. : Oxford University Press.

MLA

Richard Grimmett, Carol Inskipp and Tim Inskipp. Birds of the Indian subcontinent. : Oxford University Press. 2011.