APA (7th ed.) Citation

O'Hanlon, M. E. (2003). Protecting the American homeland: One year on ([Updated] with a new preface.). Brookings Institution Press.

Chicago Style (17th ed.) Citation

O'Hanlon, Michael E. Protecting the American Homeland: One Year on. [Updated] with a new preface. Washington, D.C.: Brookings Institution Press, 2003.

MLA (8th ed.) Citation

O'Hanlon, Michael E. Protecting the American Homeland: One Year on. [Updated] with a new preface. Brookings Institution Press, 2003.