Graff, H. F. (1996). The Presidents: A reference history (2nd ed.). Charles Scribner's Sons.
Chicago Style (17th ed.) CitationGraff, Henry Franklin. The Presidents: A Reference History. 2nd ed. New York: Charles Scribner's Sons, 1996.
MLA (9th ed.) CitationGraff, Henry Franklin. The Presidents: A Reference History. 2nd ed. Charles Scribner's Sons, 1996.
Warning: These citations may not always be 100% accurate.