Cita APA (7a ed.)
Hellmuth, N. M. (1974). The Olmec Civiliztion Art and Archaeology: An Introductory Bibliography. Foundation for Latin American Anthroological Research.
Cita estilo Chicago (17a ed.)
Hellmuth, Nicholas M. The Olmec Civiliztion Art and Archaeology: An Introductory Bibliography. Providence, EUA : Guatemala, Centroamérica: Foundation for Latin American Anthroological Research, 1974.
Cita MLA (9a ed.)
Hellmuth, Nicholas M. The Olmec Civiliztion Art and Archaeology: An Introductory Bibliography. Foundation for Latin American Anthroological Research, 1974.
Precaución: Estas citas no son 100% exactas.