Citazione Stile APA (7a Edizione)

Johnson, L. K. (1991). America as a world power: Foreign policy in a constitutional framework. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Johnson, Loch K. America as a World Power: Foreign Policy in a Constitutional Framework. New York: McGraw-Hill, 1991.

Citatione MLA (9a ed.)

Johnson, Loch K. America as a World Power: Foreign Policy in a Constitutional Framework. McGraw-Hill, 1991.