Citazione Stile APA (7a Edizione)

Robson, C., & Allen, R. (2002). A field guide to the birds of South-East Asia. New Holland.

Citazione stile Chigago Style (17a edizione)

Robson, Craig, e Richard Allen. A Field Guide to the Birds of South-East Asia. London: New Holland, 2002.

Citatione MLA (9a ed.)

Robson, Craig, e Richard Allen. A Field Guide to the Birds of South-East Asia. New Holland, 2002.