Greenstain, F. I. (1970). The American party system and the American people (2nd ed.). Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Greenstain, Fred I. The American Party System and the American People. 2nd ed. Englewood Clifs, N. J.: Prentice-Hall, 1970.
Citatione MLA (9a ed.)Greenstain, Fred I. The American Party System and the American People. 2nd ed. Prentice-Hall, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.