APA (7th ed.) Citation

Garnett, M., Mabon, S., & Smith, R. (2018). British foreign policy since 1945. Routledge.

Chicago Style (17th ed.) Citation

Garnett, Mark, Simon Mabon, and Robert Smith. British Foreign Policy Since 1945. London ; New York: Routledge, 2018.

MLA (9th ed.) Citation

Garnett, Mark, et al. British Foreign Policy Since 1945. Routledge, 2018.