APA引文

Geological Survey (U.S.) & Washington (State). Department of Natural Resources. (1981). Spokane NW quadrangle, Washington: 7.5 minute series (orthophotoquad). Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Washington (State). Department of Natural Resources. Spokane NW Quadrangle, Washington: 7.5 Minute Series (orthophotoquad). Denver, Colo.: Geological Survey, 1981.

MLA引文

Geological Survey (U.S.) and Washington (State). Department of Natural Resources. Spokane NW Quadrangle, Washington: 7.5 Minute Series (orthophotoquad). Geological Survey, 1981.

警告：這些引文格式不一定是100％准確.