APA (7th ed.) Citation

Angell, N. (2004). Peace Theories and the Balkan War. Project Gutenberg.

Chicago Style (17th ed.) Citation

Angell, Norman. Peace Theories and the Balkan War. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Angell, Norman. Peace Theories and the Balkan War. Project Gutenberg, 2004.

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