Polly, P. D. (1997). Ancestry and species definition in paleontology: A stratocladistic analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming.
Chicago-Zitierstil (17. Ausg.)Polly, Paul D. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. Ann Arbor, Mich, 1997.
MLA-Zitierstil (9. Ausg.)Polly, Paul D. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.