Rischer, C. E., & Easton, T. A. (1992). Focus on human biology. New York: HarperCollins Publishers Inc..
Chicago Style CitationRischer, Carl E., and Thomas A. Easton. Focus On Human Biology. New York: HarperCollins Publishers Inc., 1992.
MLA CitationRischer, Carl E., and Thomas A. Easton. Focus On Human Biology. New York: HarperCollins Publishers Inc., 1992.
Warning: These citations may not always be 100% accurate.