United States Air Force Academy. Dept. of Political Science, Smith, M. E., Johns, C. J., & Posvar, W. (1968). American defense policy (2nd ed.). Johns Hopkins Press.
Citazione stile Chigago Style (17a edizione)United States Air Force Academy. Dept. of Political Science, Mark E. Smith, Claude J. Johns, e Wesley Posvar. American Defense Policy. 2nd ed. Baltimore: Johns Hopkins Press, 1968.
Citatione MLA (8a ed.)United States Air Force Academy. Dept. of Political Science, et al. American Defense Policy. 2nd ed. Johns Hopkins Press, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.