Interior, U. S. D. o. t. (1982). Generalized geologic map of Alabama / [peta]. Washington DC : U S Government Printing Office.
Chicago Style (17th ed.) CitationInterior, United States. Department of the. Generalized Geologic Map of Alabama / [peta]. Washington DC : U S Government Printing Office, 1982.
MLA引文Interior, United States. Department of the. Generalized Geologic Map of Alabama / [peta]. Washington DC : U S Government Printing Office, 1982.
警告:這些引文格式不一定是100%准確.