Citazione Stile APA (7a Edizione)

Howell, S., & Willis, R. G. (1989). Societies at peace: Anthropological perspectives. Routledge.

Citazione stile Chigago Style (17a edizione)

Howell, Signe, e Roy G. Willis. Societies at Peace: Anthropological Perspectives. London: Routledge, 1989.

Citatione MLA (9a ed.)

Howell, Signe, e Roy G. Willis. Societies at Peace: Anthropological Perspectives. Routledge, 1989.