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 : For sale by the Supt. of Docs, U.S. G.P.O..
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 : For sale by the Supt. of Docs, U.S. G.P.O., 1981.
MLA引文Library 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 : For sale by the Supt. of Docs, U.S. G.P.O., 1981.