Cite

The approaches from Washington, to Richmond / from surveys supplied by officers of the army.

MLA

Heald, D. A. The Approaches from Washington, to Richmond / from Surveys Supplied by Officers of the Army. s.n., 1864. https://collections.library.yale.edu/catalog/15811254.

APA, 6th edition

Heald, D. A. (1864). The approaches from Washington, to Richmond / from surveys supplied by officers of the army. [Maps]. s.n., https://collections.library.yale.edu/catalog/15811254.