Herring, P. (1965). The politics of democracy: American parties in action (2a. ed.). W. W. Norton.
Citazione stile Chigago Style (17a edizione)Herring, Pendleton. The Politics of Democracy: American Parties in Action. 2a. ed. Nueva York: W. W. Norton, 1965.
Citatione MLA (9a ed.)Herring, Pendleton. The Politics of Democracy: American Parties in Action. 2a. ed. W. W. Norton, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.