Franklin, P. The Four Color Problem. Scripta Mathematica, Yeshiva College, New York, 1941.
Chicago Style CitationFranklin, Philip. The Four Color Problem. Scripta Mathematica, Yeshiva College, New York, 1941.
MLA CitationFranklin, Philip. The Four Color Problem. Scripta Mathematica, Yeshiva College, New York, 1941.
Warning: These citations may not always be 100% accurate.