APA (7th ed.) Citation

Clark, W. S., & Wheeler, B. K. (2001). A field guide to hawks of North America (2nd ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Clark, William S., and Brian K. Wheeler. A Field Guide to Hawks of North America. 2nd ed. Boston, Mass.: Houghton Mifflin, 2001.

MLA (8th ed.) Citation

Clark, William S., and Brian K. Wheeler. A Field Guide to Hawks of North America. 2nd ed. Houghton Mifflin, 2001.

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