Norton, M. B. (2003). A people and a nation: A history of the United States (Brief ed., 6. ed.). Houghton Mifflin.
Citazione stile Chigago Style (17a edizione)Norton, Mary Beth. A People and a Nation: A History of the United States. Brief ed., 6. ed. Boston [u.a.]: Houghton Mifflin, 2003.
Citatione MLA (9a ed.)Norton, Mary Beth. A People and a Nation: A History of the United States. Brief ed., 6. ed. Houghton Mifflin, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.