Washington (State). Division of Mines and Geology, Huntting, M. T., & Haun, M. D. (1961). Geologic map of Washington. The Division.
Cita Chicago Style (17a ed.)Washington (State). Division of Mines and Geology, Marshall T. Huntting, y Mark D. Haun. Geologic Map of Washington. Olympia, Wash.: The Division, 1961.
Cita MLA (8a ed.)Washington (State). Division of Mines and Geology, et al. Geologic Map of Washington. The Division, 1961.
Precaución: Estas citas no son 100% exactas.