Hicks, J. D., Burke, R. E., & Mowry, G. E. (1964). The Federal Union: A history of the United States to 1877 (4th ed.). Houghton Mifflin.
Cita Chicago (17th ed.)Hicks, John Donald, Robert E. Burke, i George E. Mowry. The Federal Union: A History of the United States to 1877. 4th ed. Boston: Houghton Mifflin, 1964.
Cita MLA (9th ed.)Hicks, John Donald, et al. The Federal Union: A History of the United States to 1877. 4th ed. Houghton Mifflin, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.