Cita APA (7a ed.)

Whitaker, A. P. (1948). The United States and South America, the northern republics. Harvard University Press.

Cita Chicago Style (17a ed.)

Whitaker, Arthur Preston. The United States and South America, the Northern Republics. Cambridge: Harvard University Press, 1948.

Cita MLA (9a ed.)

Whitaker, Arthur Preston. The United States and South America, the Northern Republics. Harvard University Press, 1948.