Douglas, W. O. n. 1. (1960). American challenged. Princeton, N.J.: Princeton University Press.
Chicago Style CitationDouglas, William Orville n. 1898. American Challenged. Princeton, N.J.: Princeton University Press, 1960.
MLA CitationDouglas, William Orville n. 1898. American Challenged. Princeton, N.J.: Princeton University Press, 1960.
Warning: These citations may not always be 100% accurate.