APA (7e ed.) Bronvermelding
Polk, W. R. (1975). The United States and the Arab World (3rd. ed.). Harvard University press.
Chicago (17e ed.) Bronvermelding
Polk, William R. The United States and the Arab World. 3rd. ed. London: Harvard University press, 1975.
MLA (9e ed.) Bronvermelding
Polk, William R. The United States and the Arab World. 3rd. ed. Harvard University press, 1975.
Let op: Deze citaties zijn niet altijd 100% accuraat.