APA (7th ed.) Citation

Clark, G. L., & Hawley, G. G. (1966). The encyclopedia of chemistry (2nd ed.). Van Nostrand Reinhold Company.

Chicago Style (17th ed.) Citation

Clark, George L., and Gessner G. Hawley. The Encyclopedia of Chemistry. 2nd ed. New York: Van Nostrand Reinhold Company, 1966.

MLA (8th ed.) Citation

Clark, George L., and Gessner G. Hawley. The Encyclopedia of Chemistry. 2nd ed. Van Nostrand Reinhold Company, 1966.