APA (7th ed.) Citation

Human Relations Area Files, Peregrine, P. N., & Ember, M. (2001). Encyclopedia of prehistory. Kluwer Academic-Plenum.

Chicago Style (17th ed.) Citation

Human Relations Area Files, Peter N. Peregrine, and Melvin Ember. Encyclopedia of Prehistory. New York [etc.]: Kluwer Academic-Plenum, 2001.

MLA (9th ed.) Citation

Human Relations Area Files, et al. Encyclopedia of Prehistory. Kluwer Academic-Plenum, 2001.