Cita APA

Polk, W. R. (1975). The United States and the Arab World. Harvard Univ. Press.

Citación estilo Chicago

Polk, William Roe. The United States and the Arab World. Cambridge, Mass. [u.a.]: Harvard Univ. Press, 1975.

Cita MLA

Polk, William Roe. The United States and the Arab World. Harvard Univ. Press, 1975.