APA-viite

Christofides, N. (1975). Graph theory: An algorithmic approach. Academic Press.

Chicago-tyylinen lähdeviittaus

Christofides, Nicos. Graph Theory: An Algorithmic Approach. New York: Academic Press, 1975.

MLA-viite

Christofides, Nicos. Graph Theory: An Algorithmic Approach. Academic Press, 1975.