Clark, W. S., & Wheeler, B. K. (2001). A field guide to hawks of North America (2nd ed.). Houghton Mifflin.
Chicago Style (17th ed.) CitationClark, William S., and Brian K. Wheeler. A Field Guide to Hawks of North America. 2nd ed. Boston, Mass.: Houghton Mifflin, 2001.
MLA引文Clark, William S., and Brian K. Wheeler. A Field Guide to Hawks of North America. 2nd ed. Houghton Mifflin, 2001.
警告:這些引文格式不一定是100%准確.