APA (7th ed.) Citation

Bill Thompson, Julie Zickefoose, & Michael DiGiorgio. (2012). The young birder's guide to birds of North America. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Bill Thompson, Julie Zickefoose, and Michael DiGiorgio. The Young Birder's Guide to Birds of North America. Boston: Houghton Mifflin, 2012.

MLA (8th ed.) Citation

Bill Thompson, et al. The Young Birder's Guide to Birds of North America. Houghton Mifflin, 2012.