Cita APA (7th ed.)
Robbins, W. G. (1997). Landscapes of promise: The Oregon story, 1800-1940. University of Washington Press.
Cita Chicago (17th ed.)
Robbins, William G. Landscapes of Promise: The Oregon Story, 1800-1940. Seattle: University of Washington Press, 1997.
Cita MLA (9th ed.)
Robbins, William G. Landscapes of Promise: The Oregon Story, 1800-1940. University of Washington Press, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.