Crapo, H. H., & Rota, G. (1968). On the foundations of combinatorial theory: Combinatorial geometries.
Chicago Style (17th ed.) CitationCrapo, Henry H., and Gian-Carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. S.l, 1968.
MLA (9th ed.) CitationCrapo, Henry H., and Gian-Carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. 1968.
Warning: These citations may not always be 100% accurate.