Cita APA (7a ed.)

Spokane -- Spokane River -- Pollution from sewage.

Cita Chicago Style (17a ed.)

Spokane -- Spokane River -- Pollution from Sewage.

Cita MLA (8a ed.)

Spokane -- Spokane River -- Pollution from Sewage.

Precaución: Estas citas no son 100% exactas.