Washington State Historical Society, Miles, C., & Sperlin, O. B. (1940). Building a state, Washington, 1889-1939. Washington State Historical Society.
Cita Chicago Style (17a ed.)Washington State Historical Society, Charles Miles, y Ottis Bedney Sperlin. Building a State, Washington, 1889-1939. [Tacoma]: Washington State Historical Society, 1940.
Cita MLA (8a ed.)Washington State Historical Society, et al. Building a State, Washington, 1889-1939. Washington State Historical Society, 1940.
Precaución: Estas citas no son 100% exactas.