Sanborn Map Company & Library of Congress. Geography and Map Division. (1983). Sanborn fire insurance maps. Chadwyck-Healey, Inc..
Cita Chicago Style (17a ed.)Sanborn Map Company y Library of Congress. Geography and Map Division. Sanborn Fire Insurance Maps. Teaneck, NJ: Chadwyck-Healey, Inc., 1983.
Cita MLA (8a ed.)Sanborn Map Company y Library of Congress. Geography and Map Division. Sanborn Fire Insurance Maps. Chadwyck-Healey, Inc., 1983.
Precaución: Estas citas no son 100% exactas.