Cushing, C. (1839). Nautical discovery in the Northwest. F. Andrews.
Cita Chicago Style (17a ed.)Cushing, Caleb. Nautical Discovery in the Northwest. [Boston: F. Andrews, 1839.
Cita MLA (8a ed.)Cushing, Caleb. Nautical Discovery in the Northwest. F. Andrews, 1839.
Precaución: Estas citas no son 100% exactas.