APA (7th ed.) Citation

Warnock, A. T. (1993). U.S. Army Air Forces in World War II: The battle against the U-boat in the American Theater. Center for Air Force History.

Chicago Style (17th ed.) Citation

Warnock, A. Timothy. U.S. Army Air Forces in World War II: The Battle Against the U-boat in the American Theater. [Washington, D.C.?]: Center for Air Force History, 1993.

MLA (9th ed.) Citation

Warnock, A. Timothy. U.S. Army Air Forces in World War II: The Battle Against the U-boat in the American Theater. Center for Air Force History, 1993.