APA (7th ed.) Citation

Smith & Booth. (1995). International relations theory today. Polity Press.

Chicago Style (17th ed.) Citation

Smith and Booth. International Relations Theory Today. Cambridge: Polity Press, 1995.

MLA (8th ed.) Citation

Smith and Booth. International Relations Theory Today. Polity Press, 1995.

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