APA (7th ed.) Citation

Geological Survey (U.S.). (1977). Mt. Spokane quadrangle, Washington--Idaho: 7.5 minute series (topographic), NE/4 Mt. Spokane 15ʹ quadrangle. The Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Mt. Spokane Quadrangle, Washington--Idaho: 7.5 Minute Series (topographic), NE/4 Mt. Spokane 15ʹ Quadrangle. Denver, Colo.: The Geological Survey, 1977.

MLA (8th ed.) Citation

Geological Survey (U.S.). Mt. Spokane Quadrangle, Washington--Idaho: 7.5 Minute Series (topographic), NE/4 Mt. Spokane 15ʹ Quadrangle. The Geological Survey, 1977.

Warning: These citations may not always be 100% accurate.