Bartlett, R. A. (1974). The new country: A social history of the American frontier, 1776-1890. Tata McGraw-Hill.
Cita Chicago (17th ed.)Bartlett, Richard A. The New Country: A Social History of the American Frontier, 1776-1890. New Delhi: Tata McGraw-Hill, 1974.
Cita MLA (9th ed.)Bartlett, Richard A. The New Country: A Social History of the American Frontier, 1776-1890. Tata McGraw-Hill, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.