Andersen, L. (1992). The julius petersen graph theory centennial (1a ed.). North-Holland Publishing Company.
Cita Chicago Style (17a ed.)Andersen, L.D. The Julius Petersen Graph Theory Centennial. 1a ed. Amsterdam: North-Holland Publishing Company, 1992.
Cita MLA (9a ed.)Andersen, L.D. The Julius Petersen Graph Theory Centennial. 1a ed. North-Holland Publishing Company, 1992.
Precaución: Estas citas no son 100% exactas.