APA

Library of Congress, 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. Washington, D.C: Library of Congress.

Chicago

Library of Congress, 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. Washington, D.C: Library of Congress.

Harvard

Library of Congress, 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. Washington, D.C: Library of Congress.

MLA

Library of Congress, 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.