Colbert, E. H. (1969). Evolution of the vertebrates : a history of the backboned animals through time / by E.H. Colbert: A history of the backboned animals through time (2nd ed.). Wiley.
Chicago Style (17th ed.) CitationColbert, E. H. Evolution of the Vertebrates : A History of the Backboned Animals Through Time / by E.H. Colbert: A History of the Backboned Animals Through Time. 2nd ed. Wiley, 1969.
MLA (9th ed.) CitationColbert, E. H. Evolution of the Vertebrates : A History of the Backboned Animals Through Time / by E.H. Colbert: A History of the Backboned Animals Through Time. 2nd ed. Wiley, 1969.
Warning: These citations may not always be 100% accurate.