APA (7th ed.) Citation

MacDonald, J. N., & Ray, C. E. (1989). The autochthonous North American musk oxen: Bootherium, Symbos, and Gidleya (Mammalia: Artiodactyla: Bovidae). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

MacDonald, Jerry N., and Clayton E. Ray. The Autochthonous North American Musk Oxen: Bootherium, Symbos, and Gidleya (Mammalia: Artiodactyla: Bovidae). Washington, D.C: Smithsonian Institution Press, 1989.

MLA (9th ed.) Citation

MacDonald, Jerry N., and Clayton E. Ray. The Autochthonous North American Musk Oxen: Bootherium, Symbos, and Gidleya (Mammalia: Artiodactyla: Bovidae). Smithsonian Institution Press, 1989.