APA (7th ed.) Citation

Oparin, A. I., & Fesenkov, V. G. (1961). Life in the universe. Twayne Publishers.

Chicago Style (17th ed.) Citation

Oparin, Aleksandr Ivanovich, and V. G. Fesenkov. Life in the Universe. New York: Twayne Publishers, 1961.

MLA (9th ed.) Citation

Oparin, Aleksandr Ivanovich, and V. G. Fesenkov. Life in the Universe. Twayne Publishers, 1961.