Peacock, J. L., & Kirsch, A. T. (1973). The human direction: An evolutionary approach to social and cultural anthropology (2nd ed.). Appleton-Century-Crofts.
Citazione stile Chigago Style (17a edizione)Peacock, James L., e A. Thomas Kirsch. The Human Direction: An Evolutionary Approach to Social and Cultural Anthropology. 2nd ed. New York: Appleton-Century-Crofts, 1973.
Citatione MLA (9a ed.)Peacock, James L., e A. Thomas Kirsch. The Human Direction: An Evolutionary Approach to Social and Cultural Anthropology. 2nd ed. Appleton-Century-Crofts, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.