APA

Robbins C. S., Bruun B. & Zim H. S. (1966). Birds of North America. New York: Golden Press.

Chicago

Robbins Chandler S, Bruun Bertel and Zim Herbert Spencer. 1966. Birds of North America. New York: Golden Press.

Harvard

Robbins C. S., Bruun B. and Zim H. S. (1966). Birds of North America. New York: Golden Press.

MLA

Robbins Chandler S, Bruun Bertel and Zim Herbert Spencer. Birds of North America. New York: Golden Press. 1966.