Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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