A textbook of organic chemistry /
A. Bernthsen.

APA Citation

Bernthsen, A. (August)., Sudborough, J. Joseph. (1931). A textbook of organic chemistry. New ed., rev. to date / New York: D. van Nostrand.

MLA Citation

Bernthsen, A. (August), 1855-1931, and John Joseph Sudborough. A Textbook of Organic Chemistry. New ed., rev. to date / New York: D. van Nostrand, 1931.