Snyder, R. C., & Furniss, E. S. (1954). American foreign policy: Formulation, principles, and programs. Rinehart.
Citazione stile Chigago Style (17a edizione)Snyder, Richard Carlton, e Edgar Stephenson Furniss. American Foreign Policy: Formulation, Principles, and Programs. New York: Rinehart, 1954.
Citatione MLA (9a ed.)Snyder, Richard Carlton, e Edgar Stephenson Furniss. American Foreign Policy: Formulation, Principles, and Programs. Rinehart, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.