APA (7th ed.) Citation

Wight, M., Wight, G., Porter, B., & Bull, H. (1991). International theory: The three traditions. Leicester University Press for the Royal Institute of International Affairs.

Chicago Style (17th ed.) Citation

Wight, Martin, Gabriele Wight, Brian Porter, and Hedley Bull. International Theory: The Three Traditions. Leicester ; London: Leicester University Press for the Royal Institute of International Affairs, 1991.

MLA (9th ed.) Citation

Wight, Martin, et al. International Theory: The Three Traditions. Leicester University Press for the Royal Institute of International Affairs, 1991.