Cita APA (7a ed.)

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..

Cita Chicago Style (17a ed.)

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.

Cita MLA (8a ed.)

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.