Library of Congress. Geography and Map Division & Ehrenberg, R. E. (1996). Library of Congress geography and maps: An illustrated guide. Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Geography and Map Division and Ralph E. Ehrenberg. Library of Congress Geography and Maps: An Illustrated Guide. Washington: Library of Congress, 1996.
MLA (9th ed.) CitationLibrary of Congress. Geography and Map Division and Ralph E. Ehrenberg. Library of Congress Geography and Maps: An Illustrated Guide. Library of Congress, 1996.
Warning: These citations may not always be 100% accurate.