APA (7th ed.) Citation

Cohen, J. B. (1926). Practical organic chemistry (3rd ed., reprinted.). MacMillan and Co.

Chicago Style (17th ed.) Citation

Cohen, Julius B. Practical Organic Chemistry. 3rd ed., reprinted. London: MacMillan and Co, 1926.

MLA (9th ed.) Citation

Cohen, Julius B. Practical Organic Chemistry. 3rd ed., reprinted. MacMillan and Co, 1926.