Colton's new topographical map of the states of Virginia, Maryland and Delaware, showing also eastern Tennessee & parts of other adjoining states, all the fortifications, military stations, rail roads, common roads and other internal improvements. Compile
MLA
Colton's New Topographical Map of the States of Virginia, Maryland and Delaware, Showing Also Eastern Tennessee & Parts of Other Adjoining States, All the Fortifications, Military Stations, Rail Roads, Common Roads and Other Internal Improvements. Compile. G.W. and C.B. Colton, 1866. https://collections.library.yale.edu/catalog/15811259.
APA, 6th edition
Colton's new topographical map of the states of Virginia, Maryland and Delaware, showing also eastern Tennessee & parts of other adjoining states, all the fortifications, military stations, rail roads, common roads and other internal improvements. Compile. (1866). [Maps]. G.W. and C.B. Colton, https://collections.library.yale.edu/catalog/15811259.