APA (7th ed.) Citation

Becker, H., & Ongley, P. A.. (1973). Organicum: Practical handbook of organic chemistry. Pergamon press.

Chicago Style (17th ed.) Citation

Becker, Heinz, and P. A. Ongley. Organicum: Practical Handbook of Organic Chemistry. Oxford [etc.]: Pergamon press, 1973.

MLA (9th ed.) Citation

Becker, Heinz, and P. A. Ongley. Organicum: Practical Handbook of Organic Chemistry. Pergamon press, 1973.

Warning: These citations may not always be 100% accurate.