Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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