Williamson, T. E. (1996). The beginning of the age of mammals in the San Juan Basin, New Mexico: Biostratigraphy and evolution of paleocene mammals of the Nacimiento Formation.
Chicago Style (17th ed.) CitationWilliamson, Thomas E. The Beginning of the Age of Mammals in the San Juan Basin, New Mexico: Biostratigraphy and Evolution of Paleocene Mammals of the Nacimiento Formation. Albuquerque, 1996.
MLA (9th ed.) CitationWilliamson, Thomas E. The Beginning of the Age of Mammals in the San Juan Basin, New Mexico: Biostratigraphy and Evolution of Paleocene Mammals of the Nacimiento Formation. 1996.
Warning: These citations may not always be 100% accurate.