APA Citation

(2010). Wildlife Photographer of the Year: Portfolio 20. New York: A Lark Photography Book.

Chicago Style Citation

Wildlife Photographer of the Year: Portfolio 20. New York: A Lark Photography Book, 2010.

MLA Citation

Wildlife Photographer of the Year: Portfolio 20. New York: A Lark Photography Book, 2010.

Warning: These citations may not always be 100% accurate.