APA (7th ed.) Citation

Williams, R. J. (1941). An introduction to organic chemistry (4th ed.). D. Van Nostrand Company, inc..

Chicago Style (17th ed.) Citation

Williams, Roger J. An Introduction to Organic Chemistry. 4th ed. New York: D. Van Nostrand Company, inc., 1941.

MLA (9th ed.) Citation

Williams, Roger J. An Introduction to Organic Chemistry. 4th ed. D. Van Nostrand Company, inc., 1941.