Cita APA (7th ed.)

Isaac, G., & Isaac, B. (1989). The archaeology of human origins. University Pr..

Cita Chicago (17th ed.)

Isaac, Glynn, i Barbara Isaac. The Archaeology of Human Origins. Cambridge: University Pr., 1989.

Cita MLA (9th ed.)

Isaac, Glynn, i Barbara Isaac. The Archaeology of Human Origins. University Pr., 1989.