APA (7th ed.) Citation
Polk, W. R. (1975). The United States and the Arab World (3rd. ed.). Harvard University press.
Chicago Style (17th ed.) Citation
Polk, William R. The United States and the Arab World. 3rd. ed. London: Harvard University press, 1975.
MLA (9th ed.) Citation
Polk, William R. The United States and the Arab World. 3rd. ed. Harvard University press, 1975.
Warning: These citations may not always be 100% accurate.