APA (7th ed.) Citation

Peterson, R. T. (2008). Peterson field guide to birds of North America. Houghton Mifflin Co..

Chicago Style (17th ed.) Citation

Peterson, Roger Tory. Peterson Field Guide to Birds of North America. Boston: Houghton Mifflin Co., 2008.

MLA (8th ed.) Citation

Peterson, Roger Tory. Peterson Field Guide to Birds of North America. Houghton Mifflin Co., 2008.

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