APA-viite

Harary, F., & Harary, F. (1969). Proof techniques in graph theory: Proceedings. Academic Press.

Chicago-tyylinen lähdeviittaus

Harary, Frank,ed, ja Frank Harary. Proof Techniques in Graph Theory: Proceedings. New York: Academic Press, 1969.

MLA-viite

Harary, Frank,ed, ja Frank Harary. Proof Techniques in Graph Theory: Proceedings. Academic Press, 1969.