APA (7th ed.) Citation

Valentine, J. W. (2006). On the origin of phyla (Paperback ed.). University of Chicago Press.

Chicago Style (17th ed.) Citation

Valentine, James W. On the Origin of Phyla. Paperback ed. Chicago [u.a.]: University of Chicago Press, 2006.

MLA (9th ed.) Citation

Valentine, James W. On the Origin of Phyla. Paperback ed. University of Chicago Press, 2006.