Crapo, H. H., & Rota, G. (1970). On the Foundations of Combinatorial Theory: Combinatorial Geometries. Cambridge, Massachusetts: The MIT Press.
Chicago Style CitationCrapo, Henry H., and Gian-carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. Cambridge, Massachusetts: The MIT Press, 1970.
MLA CitationCrapo, Henry H., and Gian-carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. Cambridge, Massachusetts: The MIT Press, 1970.
Warning: These citations may not always be 100% accurate.