Cita APA

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

Citación estilo Chicago

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

Cita MLA

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