APA (7th ed.) Citation

Bull, H., Alderson, K., & Hurrell, A. (2000). Hedley Bull on international society. St. Martin's Press.

Chicago Style (17th ed.) Citation

Bull, Hedley, Kai Alderson, and Andrew Hurrell. Hedley Bull on International Society. New York: St. Martin's Press, 2000.

MLA (9th ed.) Citation

Bull, Hedley, et al. Hedley Bull on International Society. St. Martin's Press, 2000.