APA (7th ed.) Citation

Mallory, W. W. (1967). Pennsylvanian and associated rocks in Wyoming. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Mallory, William W. Pennsylvanian and Associated Rocks in Wyoming. Washington: United States Department of the Interior, Geological Survey, 1967.

MLA (9th ed.) Citation

Mallory, William W. Pennsylvanian and Associated Rocks in Wyoming. United States Department of the Interior, Geological Survey, 1967.