APA-viite

Alfsen, E. M. (1971). Compact convex sets and boundary integrals. Springer-Verlag.

Chicago-tyylinen lähdeviittaus

Alfsen, Erik M. Compact Convex Sets and Boundary Integrals. New York: Springer-Verlag, 1971.

MLA-viite

Alfsen, Erik M. Compact Convex Sets and Boundary Integrals. Springer-Verlag, 1971.