Cita APA

Pizzey, G., & Doyle, R. (1980). A field guide to the birds of Autralia. New Jersey: Princeton University.

Citación estilo Chicago

Pizzey, Graham, y Roy Doyle. A Field Guide to the Birds of Autralia. New Jersey: Princeton University, 1980.

Cita MLA

Pizzey, Graham, y Roy Doyle. A Field Guide to the Birds of Autralia. New Jersey: Princeton University, 1980.