APA (7th ed.) Citation

Taylor, R. B., Scott, G. R., & Wobus, R. A. (1975). Reconnaissance geologic map of the Howard quadrangle, central Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Taylor, Richard B., Glenn R. Scott, and Reinhard Arthur Wobus. Reconnaissance Geologic Map of the Howard Quadrangle, Central Colorado. Reston, Va.: U.S. Geological Survey, 1975.

MLA (8th ed.) Citation

Taylor, Richard B., et al. Reconnaissance Geologic Map of the Howard Quadrangle, Central Colorado. U.S. Geological Survey, 1975.