APA (7th ed.) Citation

Kagan, D. (2011). The Peloponnesian War ([Nachdr.].). Penguin books.

Chicago Style (17th ed.) Citation

Kagan, Donald. The Peloponnesian War. [Nachdr.]. New York [u.a.]: Penguin books, 2011.

MLA (9th ed.) Citation

Kagan, Donald. The Peloponnesian War. [Nachdr.]. Penguin books, 2011.

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