APA (7th ed.) Citation

Hollis, M., & Smith, S. (1990). Explaining and understanding international relations. Clarendon Press ; Oxford University Press.

Chicago Style (17th ed.) Citation

Hollis, Martin, and Steve Smith. Explaining and Understanding International Relations. Oxford, England : New York: Clarendon Press ; Oxford University Press, 1990.

MLA (9th ed.) Citation

Hollis, Martin, and Steve Smith. Explaining and Understanding International Relations. Clarendon Press ; Oxford University Press, 1990.