Goff, R. D. (1994). The twentieth century: A brief global history (4th ed.). New York: McGraw Hill.
Chicago Style CitationGoff, Richard D. The Twentieth Century: A Brief Global History. 4th ed. New York: McGraw Hill, 1994.
MLA CitationGoff, Richard D. The Twentieth Century: A Brief Global History. 4th ed. New York: McGraw Hill, 1994.
Warning: These citations may not always be 100% accurate.