APA (7th ed.) Citation

Van Dorpe, P. E. (1980). A bibliography of Pennsylvanian geology and coal in Iowa. Iowa Geological Survey.

Chicago Style (17th ed.) Citation

Van Dorpe, Paul E. A Bibliography of Pennsylvanian Geology and Coal in Iowa. Iowa City, Iowa: Iowa Geological Survey, 1980.

MLA (9th ed.) Citation

Van Dorpe, Paul E. A Bibliography of Pennsylvanian Geology and Coal in Iowa. Iowa Geological Survey, 1980.

Warning: These citations may not always be 100% accurate.