APA (7th ed.) Citation

Geological Survey (U.S.). (1993). 1: 100 000-scale metric topographic map of Vancouver, Washington--Oregon, 1979. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). 1: 100 000-scale Metric Topographic Map of Vancouver, Washington--Oregon, 1979. Reston, Va.: The Survey, 1993.

MLA (9th ed.) Citation

Geological Survey (U.S.). 1: 100 000-scale Metric Topographic Map of Vancouver, Washington--Oregon, 1979. The Survey, 1993.

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