Cita APA

Spence, M. W., Parsons, J. R., & Parsons, M. H. (1972). Miscellaneous studies in Mexican prehistory. [s.n.].

Citación estilo Chicago

Spence, Michael W., Jeffrey R. Parsons, and Mary Hrones Parsons. Miscellaneous Studies in Mexican Prehistory. Ann Arbor: [s.n.], 1972.

Cita MLA

Spence, Michael W., et al. Miscellaneous Studies in Mexican Prehistory. [s.n.], 1972.