APA (7th ed.) Citation

Ray, J. D., & Nelson, G. E. (1971). What a piece of work is man: Introductory readings in biology. Little, Brown.

Chicago Style (17th ed.) Citation

Ray, James Davis, and Gideon E. Nelson. What a Piece of Work Is Man: Introductory Readings in Biology. Boston: Little, Brown, 1971.

MLA (8th ed.) Citation

Ray, James Davis, and Gideon E. Nelson. What a Piece of Work Is Man: Introductory Readings in Biology. Little, Brown, 1971.