Geological Survey (U.S.). (1950). Spokane quadrangle, Washington--Spokane Co: 15 minute series (topographic). The Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Spokane Quadrangle, Washington--Spokane Co: 15 Minute Series (topographic). Denver, Colo.: The Geological Survey, 1950.
MLA引文Geological Survey (U.S.). Spokane Quadrangle, Washington--Spokane Co: 15 Minute Series (topographic). The Geological Survey, 1950.
警告:這些引文格式不一定是100%准確.