Cita APA (7a ed.)

Craig, G. A., Barker, E. J., & Hammer, C. L. (1975). People of long ago (1. publ., 6. printing.). Evans.

Cita Chicago Style (17a ed.)

Craig, George A., Eric J. Barker, y C. L. Hammer. People of Long Ago. 1. publ., 6. printing. London: Evans, 1975.

Cita MLA (9a ed.)

Craig, George A., et al. People of Long Ago. 1. publ., 6. printing. Evans, 1975.