Sorensen, J. L., & Sorensen, J. L. (1955). A chronological ordering of the Mesoamerican pre-classic. [Lugar de publicación no identificado]: The University.
Chicago Style CitationSorensen, John L., and John L. Sorensen. A Chronological Ordering of the Mesoamerican Pre-classic. [Lugar de publicación no identificado]: The University, 1955.
MLA CitationSorensen, John L., and John L. Sorensen. A Chronological Ordering of the Mesoamerican Pre-classic. [Lugar de publicación no identificado]: The University, 1955.
Warning: These citations may not always be 100% accurate.