Norton, M. B. (1994). A people and a nation: A history of the United States (4. ed.). Houghton Mifflin.
Cita Chicago Style (17a ed.)Norton, Mary Beth. A People and a Nation: A History of the United States. 4. ed. Boston, Mass. [u.a.]: Houghton Mifflin, 1994.
Cita MLA (9a ed.)Norton, Mary Beth. A People and a Nation: A History of the United States. 4. ed. Houghton Mifflin, 1994.
Precaución: Estas citas no son 100% exactas.