Porras-Múzquiz, H. G. (2011). A ceratopsian horncore from the Olmos Formation (early Maastrichtian) near Múzquiz, Mexico. Universidad Nacional Autónoma de México.
Chicago Style (17th ed.) CitationPorras-Múzquiz, Hector Gerardo. A Ceratopsian Horncore from the Olmos Formation (early Maastrichtian) Near Múzquiz, Mexico. Universidad Nacional Autónoma de México, 2011.
MLA (9th ed.) CitationPorras-Múzquiz, Hector Gerardo. A Ceratopsian Horncore from the Olmos Formation (early Maastrichtian) Near Múzquiz, Mexico. Universidad Nacional Autónoma de México, 2011.
Warning: These citations may not always be 100% accurate.