APA (7th ed.) Citation

Claessen, H. J. M., & Skalník, P. (1981). The study of the state. New Babylon.

Chicago Style (17th ed.) Citation

Claessen, Henri J. M., and Peter Skalník. "The Study of the State." New Babylon 1981.

MLA (8th ed.) Citation

Claessen, Henri J. M., and Peter Skalník. "The Study of the State." New Babylon, 1981.