Northwest -- Indians -- Indian Congress, Spokane, 1925 & 1926.
Cita Chicago Style (17a ed.)Northwest -- Indians -- Indian Congress, Spokane, 1925 & 1926.
Cita MLA (8a ed.)Northwest -- Indians -- Indian Congress, Spokane, 1925 & 1926.
Precaución: Estas citas no son 100% exactas.