Cita APA (7a ed.)
(1967). Studies in Olmec archaeology. University of California Archaeological Research Facility.
Cita Chicago Style (17a ed.)
Studies in Olmec Archaeology. Berkeley: University of California Archaeological Research Facility, 1967.
Cita MLA (9a ed.)
Studies in Olmec Archaeology. University of California Archaeological Research Facility, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.