Παραπομπή σε μορφή APA (7η εκδ.)

Johnson, A. W., & Earle, T. K. (1987). The evolution of human societies: From foraging group to agrarian state. Stanford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnson, Allen W., και Timothy K. Earle. The Evolution of Human Societies: From Foraging Group to Agrarian State. Stanford: Stanford University Press, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Johnson, Allen W., και Timothy K. Earle. The Evolution of Human Societies: From Foraging Group to Agrarian State. Stanford University Press, 1987.