Washington (State). Division of Geology and Earth Resources & Stoffel, K. L. (1991). Geologic map of Washington, northeast quadrant. Washington Division of Geology and Earth Resources.
Цитирование в стиле Чикаго (17-е изд.)Washington (State). Division of Geology and Earth Resources и Keith L. Stoffel. Geologic Map of Washington, Northeast Quadrant. [Olympia, Wash.]: Washington Division of Geology and Earth Resources, 1991.
Цитирование MLA (8-е изд.)Washington (State). Division of Geology and Earth Resources и Keith L. Stoffel. Geologic Map of Washington, Northeast Quadrant. Washington Division of Geology and Earth Resources, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.