Library of Congress. Geography and Map Division. Reference and Bibliography Section & Sanborn Map Company. (1981). Fire insurance maps in the Library of Congress: Plans of North American cities and towns produced by the Sanborn Map Company : a checklist. Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Geography and Map Division. Reference and Bibliography Section and Sanborn Map Company. Fire Insurance Maps in the Library of Congress: Plans of North American Cities and Towns Produced by the Sanborn Map Company : A Checklist. Washington, D.C.: Library of Congress, 1981.
MLA (8th ed.) CitationLibrary of Congress. Geography and Map Division. Reference and Bibliography Section and Sanborn Map Company. Fire Insurance Maps in the Library of Congress: Plans of North American Cities and Towns Produced by the Sanborn Map Company : A Checklist. Library of Congress, 1981.