Citazione APA

Harary, F., & Palmer, E. M. (1973). Graphical enumeration. Academic Press.

Stile di citazione Chicago

Harary, Frank, e Edgar M. Palmer. Graphical Enumeration. New York: Academic Press, 1973.

Citazione MLA

Harary, Frank, e Edgar M. Palmer. Graphical Enumeration. Academic Press, 1973.