United States. Air Force, Project Air Force (U.S.), & Rabasa, A. (2006). The outer rings of the terrorist universe. Rand Corporation.
Chicago Style (17th ed.) CitationUnited States. Air Force, Project Air Force (U.S.), and Angel Rabasa. The Outer Rings of the Terrorist Universe. Santa Monica, CA: Rand Corporation, 2006.
MLA (9th ed.) CitationUnited States. Air Force, et al. The Outer Rings of the Terrorist Universe. Rand Corporation, 2006.
Warning: These citations may not always be 100% accurate.