APA (7th ed.) Citation

Nicholson, M. (1989). Formal theories in international relations / Michael Nicholson. Cambridge University Press.

Chicago Style (17th ed.) Citation

Nicholson, Michael. Formal Theories in International Relations / Michael Nicholson. Cambridge: Cambridge University Press, 1989.

MLA (9th ed.) Citation

Nicholson, Michael. Formal Theories in International Relations / Michael Nicholson. Cambridge University Press, 1989.

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