APA (7th ed.) Citation

Peterson, R. T. (1949). How to know the birds: An introduction to bird recognition. Over 200 common species illustrated with line drawings and silhouettes by the author. New American Library.

Chicago Style (17th ed.) Citation

Peterson, Roger Tory. How to Know the Birds: An Introduction to Bird Recognition. Over 200 Common Species Illustrated with Line Drawings and Silhouettes by the Author. [New York]: New American Library, 1949.

MLA (9th ed.) Citation

Peterson, Roger Tory. How to Know the Birds: An Introduction to Bird Recognition. Over 200 Common Species Illustrated with Line Drawings and Silhouettes by the Author. New American Library, 1949.