Espinoza, P. O. H. Robert H. Steckel y Jerome C. Rose. The Backbone of History. Health and Nutrition in the Western Hemisphere. Universidad Nacional Autónoma de México.
Chicago Style (17th ed.) CitationEspinoza, Patricia Olga Hernández. Robert H. Steckel Y Jerome C. Rose. The Backbone of History. Health and Nutrition in the Western Hemisphere. Universidad Nacional Autónoma de México.
MLA (9th ed.) CitationEspinoza, Patricia Olga Hernández. Robert H. Steckel Y Jerome C. Rose. The Backbone of History. Health and Nutrition in the Western Hemisphere. Universidad Nacional Autónoma de México.
Warning: These citations may not always be 100% accurate.