APA (7th ed.) Citation

Maryland. Department of Geology, Mines, and Water Resources. (1943). Map of Cecil County showing the topography and election districts (Ed. of 1930, repr. 1943.). The Dept..

Chicago Style (17th ed.) Citation

Maryland. Department of Geology, Mines, and Water Resources. Map of Cecil County Showing the Topography and Election Districts. Ed. of 1930, repr. 1943. [Baltimore, Md.?]: The Dept., 1943.

MLA (8th ed.) Citation

Maryland. Department of Geology, Mines, and Water Resources. Map of Cecil County Showing the Topography and Election Districts. Ed. of 1930, repr. 1943. The Dept., 1943.