APA (7th ed.) Citation

Denny, C. S. (1979). The Parsonsburg Sand in the central Delmarva Peninsula, Maryland and Delaware. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Denny, Charles Storrow. The Parsonsburg Sand in the Central Delmarva Peninsula, Maryland and Delaware. Washington: United States Department of the Interior, Geological Survey, 1979.

MLA (9th ed.) Citation

Denny, Charles Storrow. The Parsonsburg Sand in the Central Delmarva Peninsula, Maryland and Delaware. United States Department of the Interior, Geological Survey, 1979.