APA (7th ed.) Citation

Oparin, A. I. (1964). The chemical origin of life. Thomas.

Chicago Style (17th ed.) Citation

Oparin, Aleksandr I. The Chemical Origin of Life. Springfield, Ill: Thomas, 1964.

MLA (9th ed.) Citation

Oparin, Aleksandr I. The Chemical Origin of Life. Thomas, 1964.

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