Grimmett, Richard F. & Lange, Rebecca S. Intelligence, Surveillance, and Reconnaissance (ISR) Acquisition: Issues for Congress. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc122199/. Accessed April 24, 2014.
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.