Lenggenhager, W. (1967). Historical markers and monuments of the State of Washington.
Cita Chicago Style (17a ed.)Lenggenhager, Werner. Historical Markers and Monuments of the State of Washington. [Wash, 1967.
Cita MLA (8a ed.)Lenggenhager, Werner. Historical Markers and Monuments of the State of Washington. 1967.
Precaución: Estas citas no son 100% exactas.