APA (7th ed.) Citation

Geological Survey (U.S.). (1993). Alabama: Index to topographic and other map coverage. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Alabama: Index to Topographic and Other Map Coverage. Reston, Va.: Geological Survey, 1993.

MLA (9th ed.) Citation

Geological Survey (U.S.). Alabama: Index to Topographic and Other Map Coverage. Geological Survey, 1993.

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