APA (7th ed.) Citation

Moller, S. A. (1979). Geologic map of the Phoenix quadrangle, Maryland. State of Maryland, Dept. of Natural Resources, Maryland Geological Survey.

Chicago Style (17th ed.) Citation

Moller, Stuart A. Geologic Map of the Phoenix Quadrangle, Maryland. Baltimore: State of Maryland, Dept. of Natural Resources, Maryland Geological Survey, 1979.

MLA (9th ed.) Citation

Moller, Stuart A. Geologic Map of the Phoenix Quadrangle, Maryland. State of Maryland, Dept. of Natural Resources, Maryland Geological Survey, 1979.