Mills, R. V. (1947). Stern-wheelers up Columbia: A century of steamboating in the Oregon country. Pacific Books.
Cita Chicago Style (17a ed.)Mills, Randall Vause. Stern-wheelers Up Columbia: A Century of Steamboating in the Oregon Country. Palo Alto, Calif.: Pacific Books, 1947.
Cita MLA (8a ed.)Mills, Randall Vause. Stern-wheelers Up Columbia: A Century of Steamboating in the Oregon Country. Pacific Books, 1947.
Precaución: Estas citas no son 100% exactas.