APA (7th ed.) Citation

Anna, L. O. (1975). Map showing availability of hydrologic data published as of 1974 by the U.S. Environmental Data Service and by the U.S. Geological Survey and cooperating agencies, Colorado Springs-Castle Rock area, Front Range Urban Corridor, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Anna, Lawrence O. Map Showing Availability of Hydrologic Data Published as of 1974 by the U.S. Environmental Data Service and by the U.S. Geological Survey and Cooperating Agencies, Colorado Springs-Castle Rock Area, Front Range Urban Corridor, Colorado. Reston, Va.: The Survey, 1975.

MLA (9th ed.) Citation

Anna, Lawrence O. Map Showing Availability of Hydrologic Data Published as of 1974 by the U.S. Environmental Data Service and by the U.S. Geological Survey and Cooperating Agencies, Colorado Springs-Castle Rock Area, Front Range Urban Corridor, Colorado. The Survey, 1975.