Rollins, John. Al Qaeda and Affiliates: Historical Perspective, Global Presence, and Implications for U.S. Policy. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc103077/. Accessed April 19, 2015.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.