Prothero, D. R., & Buell, C. D. (2007). Evolution: What the fossils say and why it matters. Columbia University Press.

Prothero, Donald R., and Carl Dennis Buell. Evolution: What the Fossils Say and Why It Matters. New York: Columbia University Press, 2007.

Prothero, Donald R., and Carl Dennis Buell. Evolution: What the Fossils Say and Why It Matters. Columbia University Press, 2007.