Colton's new topographical map of the states of Virginia, Maryland & Delaware, and portions of other adjoining states.
MLA
Colton's New Topographical Map of the States of Virginia, Maryland & Delaware, and Portions of Other Adjoining States. G.W. and C.B. Colton, 1877. https://collections.library.yale.edu/catalog/15811261.
APA, 6th edition
Colton's new topographical map of the states of Virginia, Maryland & Delaware, and portions of other adjoining states. (1877). [Maps]. G.W. and C.B. Colton, https://collections.library.yale.edu/catalog/15811261.
