Cita APA (7a ed.)

Peterson, R. (1957). How to know the birds: An introduction to bird recognition. New American Library.

Cita Chicago Style (17a ed.)

Peterson, Roger. How to Know the Birds: An Introduction to Bird Recognition. New York: New American Library, 1957.

Cita MLA (9a ed.)

Peterson, Roger. How to Know the Birds: An Introduction to Bird Recognition. New American Library, 1957.

Precaución: Estas citas no son 100% exactas.