APA (7th ed.) Citation

Kagan, D. (1969). The outbreak of the Peloponnesian War. Cornell University Press.

Chicago Style (17th ed.) Citation

Kagan, Donald. The Outbreak of the Peloponnesian War. Ithaca [N.Y.]: Cornell University Press, 1969.

MLA (9th ed.) Citation

Kagan, Donald. The Outbreak of the Peloponnesian War. Cornell University Press, 1969.