APA Edition Citation

Crapo, H. H., & Rota, G. (1976). On the foundations of combinatorial theory: Combinatorial geometries.

Chicago Edition Citation

Crapo, Henry H., and Gian-Carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. MIT Press, Cambridge, 1976.

MLA Edition Citation

Crapo, Henry H., and Gian-Carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. 1976.

Warning: These citations may not always be 100% accurate.