APA (7th ed.) Citation

Irwin, R. A. (1989). Building a peace system (1. print.). ExPro Press.

Chicago Style (17th ed.) Citation

Irwin, Robert A. Building a Peace System. 1. print. Washington, DC: ExPro Press, 1989.

MLA (9th ed.) Citation

Irwin, Robert A. Building a Peace System. 1. print. ExPro Press, 1989.