Blake, N. M. (1972). A history of American life and thought (2nd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Blake, Nelson Manfred. A History of American Life and Thought. 2nd ed. New York [etc.]: McGraw-Hill, 1972.
Cita MLA (9a ed.)Blake, Nelson Manfred. A History of American Life and Thought. 2nd ed. McGraw-Hill, 1972.
Precaución: Estas citas no son 100% exactas.