APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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