Citazione Stile APA (7a Edizione)
Johnson, W. R. (2009). Thwarting enemies at home and abroad: How to be a counterintelligence officer. Georgetown University Press.
Citazione stile Chigago Style (17a edizione)
Johnson, William R. Thwarting Enemies at Home and Abroad: How to Be a Counterintelligence Officer. Washington, D.C.: Georgetown University Press, 2009.
Citatione MLA (9a ed.)
Johnson, William R. Thwarting Enemies at Home and Abroad: How to Be a Counterintelligence Officer. Georgetown University Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.