Citazione APA

Gruber,P.M.ed, Gruber,P.M, & Wills,J.M. (1993). Hand book of Convex geometry. North Holland.

Stile di citazione Chicago

Gruber,P.M.ed, Gruber,P.M, e Wills,J.M. Hand Book of Convex Geometry. New York: North Holland, 1993.

Citazione MLA

Gruber,P.M.ed, et al. Hand Book of Convex Geometry. North Holland, 1993.