APA (7th ed.) Citation

Spencer, J. H. (1972). The physics and chemistry of DNA and RNA. Saunders College Publishing.

Chicago Style (17th ed.) Citation

Spencer, John Hedley. The Physics and Chemistry of DNA and RNA. Philadelphia: Saunders College Publishing, 1972.

MLA (9th ed.) Citation

Spencer, John Hedley. The Physics and Chemistry of DNA and RNA. Saunders College Publishing, 1972.