Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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