APA (7th ed.) Citation

Williams, A. J., Hadfield, A., & Rofe, J. S. (2012). International history and international relations. Routledge.

Chicago Style (17th ed.) Citation

Williams, Andrew J., Amelia Hadfield, and J. Simon Rofe. International History and International Relations. London ; New York: Routledge, 2012.

MLA (9th ed.) Citation

Williams, Andrew J., et al. International History and International Relations. Routledge, 2012.