Colbert, E. H. (1980). Evolution of the vertebrates (3rd ed.). John Wiley & Sons.
Chicago Style (17th ed.) CitationColbert, Edwin H. Evolution of the Vertebrates. 3rd ed. New York ; Chichester: John Wiley & Sons, 1980.
MLA (9th ed.) CitationColbert, Edwin H. Evolution of the Vertebrates. 3rd ed. John Wiley & Sons, 1980.
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