APA (7th ed.) Citation

Gray, C. S. (2007). War, peace & international relation: An introduction to strategic history. Routledge.

Chicago Style (17th ed.) Citation

Gray, Colin S. War, Peace & International Relation: An Introduction to Strategic History. London ; New York: Routledge, 2007.

MLA (9th ed.) Citation

Gray, Colin S. War, Peace & International Relation: An Introduction to Strategic History. Routledge, 2007.

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