APA (7th ed.) Citation

Hummell, R. L. (1990). Main Pass and the ebb-tidal delta of Mobile Bay, Alabama. Geological Survey of Alabama, Energy and Coastal Geology Division.

Chicago Style (17th ed.) Citation

Hummell, Richard L. Main Pass and the Ebb-tidal Delta of Mobile Bay, Alabama. Tuscaloosa, Ala.: Geological Survey of Alabama, Energy and Coastal Geology Division, 1990.

MLA (9th ed.) Citation

Hummell, Richard L. Main Pass and the Ebb-tidal Delta of Mobile Bay, Alabama. Geological Survey of Alabama, Energy and Coastal Geology Division, 1990.