APA (7th ed.) Citation

Spence, M. W., Parsons, J. R., & Parsons, M. H. (1972). Miscellaneous studies in Mexican prehistory. [publisher not identified].

Chicago Style (17th ed.) Citation

Spence, Michael W., Jeffrey R. Parsons, and Mary Hrones Parsons. Miscellaneous Studies in Mexican Prehistory. Ann Arbor: [publisher not identified], 1972.

MLA (9th ed.) Citation

Spence, Michael W., et al. Miscellaneous Studies in Mexican Prehistory. [publisher not identified], 1972.