Nye, R. B., & Norpurgo, J. E. (1970). A history of the United States (3a. ed.). Baltimore: Penguin Books.
Chicago Style CitationNye, R B., and J E. Norpurgo. A History of the United States. 3a. ed. Baltimore: Penguin Books, 1970.
MLA CitationNye, R B., and J E. Norpurgo. A History of the United States. 3a. ed. Baltimore: Penguin Books, 1970.
Warning: These citations may not always be 100% accurate.