APA (7th ed.) Citation

English, J., & Cassidy, H. G. (1961). Principles of organic chemistry: An introductory text in organic chemistry (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

English, James, and Harold Gomes Cassidy. Principles of Organic Chemistry: An Introductory Text in Organic Chemistry. 3rd ed. New York: McGraw-Hill, 1961.

MLA (9th ed.) Citation

English, James, and Harold Gomes Cassidy. Principles of Organic Chemistry: An Introductory Text in Organic Chemistry. 3rd ed. McGraw-Hill, 1961.