APA (7th ed.) Citation

Cohen, J. B. (1920). Practical organic chemistry (2d ed.). Macmillan.

Chicago Style (17th ed.) Citation

Cohen, Julius B. Practical Organic Chemistry. 2d ed. London: Macmillan, 1920.

MLA (9th ed.) Citation

Cohen, Julius B. Practical Organic Chemistry. 2d ed. Macmillan, 1920.