APA (7th ed.) Citation

International Congress of Anthropological and Ethnological Sciences, Claessen, H. J. M., & Velde, P. v. d. (1991). Early state economics. Transaction.

Chicago Style (17th ed.) Citation

International Congress of Anthropological and Ethnological Sciences, H. J. M. Claessen, and Piet van de Velde. Early State Economics. New Brunswick ; London: Transaction, 1991.

MLA (9th ed.) Citation

International Congress of Anthropological and Ethnological Sciences, et al. Early State Economics. Transaction, 1991.