APA (7th ed.) Zitazioa

ebrary, Inc, Claessen, H. J. M., & Skalník, P. (1981). The study of the state. Mouton.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, H. J. M. Claessen, eta Peter Skalník. The Study of the State. The Hague ; New York: Mouton, 1981.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. The Study of the State. Mouton, 1981.