Citazione APA

McMullen, P., & Shephard, G. C. (1971). Convex polytopes and the upper bound conjecture.

Stile di citazione Chicago

McMullen, P., e G C. Shephard. Convex Polytopes and the Upper Bound Conjecture. Cambridge University Press, Cambridge, 1971.

Citazione MLA

McMullen, P., e G C. Shephard. Convex Polytopes and the Upper Bound Conjecture. 1971.