APA (7th ed.) Citation

Schmidt, P. W. (1979). Reconnaissance map showing relative amounts of soil and bedrock in the mountainous part of the Cascade quadrangle, El Paso County, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Schmidt, Paul W. Reconnaissance Map Showing Relative Amounts of Soil and Bedrock in the Mountainous Part of the Cascade Quadrangle, El Paso County, Colorado. Reston, Va.: The Survey, 1979.

MLA (9th ed.) Citation

Schmidt, Paul W. Reconnaissance Map Showing Relative Amounts of Soil and Bedrock in the Mountainous Part of the Cascade Quadrangle, El Paso County, Colorado. The Survey, 1979.