APA (7th ed.) Citation

Kirkpatrick, C. E. (1991). Defense of the Americas. [U.S. Army Center of Military History].

Chicago Style (17th ed.) Citation

Kirkpatrick, Charles Edward. Defense of the Americas. Washington, DC: [U.S. Army Center of Military History], 1991.

MLA (9th ed.) Citation

Kirkpatrick, Charles Edward. Defense of the Americas. [U.S. Army Center of Military History], 1991.

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