APA (7th ed.) Citation

Washington (State). Division of Geology and Earth Resources. (2002). Washington geology. Washington State Dept. of Natural Resources, Division of Geology and Earth Resources.

Chicago Style (17th ed.) Citation

Washington (State). Division of Geology and Earth Resources. Washington Geology. Olympia, WA: Washington State Dept. of Natural Resources, Division of Geology and Earth Resources, 2002.

MLA (9th ed.) Citation

Washington (State). Division of Geology and Earth Resources. Washington Geology. Washington State Dept. of Natural Resources, Division of Geology and Earth Resources, 2002.