Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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