APA (7th ed.) Citation

Van Creveld, M. L. (1991). The Clausewitzian universe and the law of war. Journal of contemporary history.

Chicago Style (17th ed.) Citation

Van Creveld, Martin L. "The Clausewitzian Universe and the Law of War." Journal of Contemporary History 1991.

MLA (8th ed.) Citation

Van Creveld, Martin L. "The Clausewitzian Universe and the Law of War." Journal of Contemporary History, 1991.

Warning: These citations may not always be 100% accurate.