Winters, H. D. (1931). Congress and the Oregon question. Rochester Historical Society.
Cita Chicago Style (17a ed.)Winters, Herbert D. Congress and the Oregon Question. [Rochester, N.Y.]: Rochester Historical Society, 1931.
Cita MLA (8a ed.)Winters, Herbert D. Congress and the Oregon Question. Rochester Historical Society, 1931.
Precaución: Estas citas no son 100% exactas.