Williams, J. R. (1959). Geology of the western part of the Big Delta (D-6) quadrangle, Alaska. The Survey.
Chicago Style (17th ed.) CitationWilliams, John R. Geology of the Western Part of the Big Delta (D-6) Quadrangle, Alaska. Washington, D.C.: The Survey, 1959.
MLA (9th ed.) CitationWilliams, John R. Geology of the Western Part of the Big Delta (D-6) Quadrangle, Alaska. The Survey, 1959.
Warning: These citations may not always be 100% accurate.