APA

K. K. Neelakantan (ed.), C. Sashikumar (ed.), R. Venugopalan (ed.) & Carl D'silva (ill.). (1993). A book of Kerala birds, Part – 1. : World Wide Fund for Nature – India.

Chicago

K. K. Neelakantan (ed.), C. Sashikumar (ed.), R. Venugopalan (ed.) and Carl D'silva (ill.). 1993. A book of Kerala birds, Part – 1. : World Wide Fund for Nature – India.

Harvard

K. K. Neelakantan (ed.), C. Sashikumar (ed.), R. Venugopalan (ed.) and Carl D'silva (ill.). (1993). A book of Kerala birds, Part – 1. : World Wide Fund for Nature – India.

MLA

K. K. Neelakantan (ed.), C. Sashikumar (ed.), R. Venugopalan (ed.) and Carl D'silva (ill.). A book of Kerala birds, Part – 1. : World Wide Fund for Nature – India. 1993.