Citazione Stile APA (7a Edizione)
ebrary, Inc, & Volkerts, J. A. (2011). National Counterterrorism Center (NCTC): Background and issues. Nova Science Publishers.
Citazione stile Chigago Style (17a edizione)
ebrary, Inc, e Jackson A. Volkerts. National Counterterrorism Center (NCTC): Background and Issues. New York: Nova Science Publishers, 2011.
Citatione MLA (9a ed.)
ebrary, Inc, e Jackson A. Volkerts. National Counterterrorism Center (NCTC): Background and Issues. Nova Science Publishers, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.