Cita APA (7a ed.)

Merchants Exchange of Portland (Or.) & Columbia/Snake River Marketing Group. (1987). The Great waterway. MEDIAmerica.

Cita Chicago Style (17a ed.)

Merchants Exchange of Portland (Or.) y Columbia/Snake River Marketing Group. The Great Waterway. Portland, Or.: MEDIAmerica, 1987.

Cita MLA (8a ed.)

Merchants Exchange of Portland (Or.) y Columbia/Snake River Marketing Group. The Great Waterway. MEDIAmerica, 1987.

Precaución: Estas citas no son 100% exactas.