McDonald, J. N., & Ray, C. E. (1989). The Autochthonous North American Musk Oxen Bootherium, Symbos and Gidleya (Mammalia: Artiodactyla : Bovidae). Washington: Smithsonian Institution Press.
Chicago Style CitationMcDonald, Jerry N., and Clayton Edward Ray. The Autochthonous North American Musk Oxen Bootherium, Symbos and Gidleya (Mammalia: Artiodactyla : Bovidae). Washington: Smithsonian Institution Press, 1989.
MLA CitationMcDonald, Jerry N., and Clayton Edward Ray. The Autochthonous North American Musk Oxen Bootherium, Symbos and Gidleya (Mammalia: Artiodactyla : Bovidae). Washington: Smithsonian Institution Press, 1989.
Warning: These citations may not always be 100% accurate.