APA

Oparin A. I., . (1964). Life, its nature, origin and development. New York: Academic Pr.

Chicago

Oparin Aleksandr Ivanovich, . 1964. Life, its nature, origin and development. New York: Academic Pr.

Harvard

Oparin A. I., . (1964). Life, its nature, origin and development. New York: Academic Pr.

MLA

Oparin Aleksandr Ivanovich, . Life, its nature, origin and development. New York: Academic Pr. 1964.