Spencer, J. A. (1858). History of the United States: From the earliest period to the present time. Johnson, Fry and Company.
Cita Chicago (17th ed.)Spencer, J. A. History of the United States: From the Earliest Period to the Present Time. New York, USA: Johnson, Fry and Company, 1858.
Cita MLA (9th ed.)Spencer, J. A. History of the United States: From the Earliest Period to the Present Time. Johnson, Fry and Company, 1858.
Atenció: Aquestes cites poden no estar 100% correctes.