Παραπομπή σε μορφή APA (7η εκδ.)

U.S. Military Academy, West Point. Dept. of Social Science, U.S. Military Academy, West Point. Dept. of Economics, Government, and History. The governments of the major foreign powers, & Beukema, H. (1949). Contemporary foreign governments (Rev. ed.). Rinehart.

Παραπομπή σε μορφή Chicago (17η εκδ.)

U.S. Military Academy, West Point. Dept. of Social Science, West Point. Dept. of Economics U.S. Military Academy, και Herman Beukema. Contemporary Foreign Governments. Rev. ed. New York: Rinehart, 1949.

Παραπομπή σε μορφή MLA (9th εκδ.)

U.S. Military Academy, West Point. Dept. of Social Science, et al. Contemporary Foreign Governments. Rev. ed. Rinehart, 1949.