Cita APA (7th ed.)

O'Hanlon, M. E. (2002). Protecting the American homeland: A preliminary analysis. Brookings Institution Press.

Cita Chicago (17th ed.)

O'Hanlon, Michael E. Protecting the American Homeland: A Preliminary Analysis. Washington, D. C: Brookings Institution Press, 2002.

Cita MLA (9th ed.)

O'Hanlon, Michael E. Protecting the American Homeland: A Preliminary Analysis. Brookings Institution Press, 2002.