Jones, F. O. (1961). Landslides along the Columbia Valley Northeastern Washington. U.S.G.P.O..
Cita Chicago Style (17a ed.)Jones, Fred O. Landslides Along the Columbia Valley Northeastern Washington. Washington: U.S.G.P.O., 1961.
Cita MLA (8a ed.)Jones, Fred O. Landslides Along the Columbia Valley Northeastern Washington. U.S.G.P.O., 1961.
Precaución: Estas citas no son 100% exactas.