APA (7th ed.) Citation

Voss, R. S., & Jansa, S. A. (2009). Phylogenetic relationships and classification if didelphid Marsupials, an extant radiation of New World metatherian mammals. American Museum of Natural History.

Chicago Style (17th ed.) Citation

Voss, Robert S., and Sharon A. Jansa. Phylogenetic Relationships and Classification If Didelphid Marsupials, an Extant Radiation of New World Metatherian Mammals. [New York]: American Museum of Natural History, 2009.

MLA (8th ed.) Citation

Voss, Robert S., and Sharon A. Jansa. Phylogenetic Relationships and Classification If Didelphid Marsupials, an Extant Radiation of New World Metatherian Mammals. American Museum of Natural History, 2009.