APA
Clark G. L. (., Hawley G. G. (., . (1957). Encyclopedia of chemistry. New York: Reinhold Publishing Corporation.
Chicago
Clark George L (Ed.), Hawley Gessner G (Ed.), . 1957. Encyclopedia of chemistry. New York: Reinhold Publishing Corporation.
Harvard
Clark G. L. (., Hawley G. G. (., . (1957). Encyclopedia of chemistry. New York: Reinhold Publishing Corporation.
MLA
Clark George L (Ed.), Hawley Gessner G (Ed.), . Encyclopedia of chemistry. New York: Reinhold Publishing Corporation. 1957.
