APA (7th ed.) Citation

Schopf, J. W. (2002). Life's origin: The beginnings of biological evolution. University of California Press.

Chicago Style (17th ed.) Citation

Schopf, J. William. Life's Origin: The Beginnings of Biological Evolution. Berkeley: University of California Press, 2002.

MLA (9th ed.) Citation

Schopf, J. William. Life's Origin: The Beginnings of Biological Evolution. University of California Press, 2002.