The battle fields and military positions in eastern Virginia, from surveys supplied by officers of the army Entered according to Act of Congress in the year 1862, by D.A. Heald.
MLA
Heald, D. A. (Daniel Addison), 1818-1900. The battle fields and military positions in eastern Virginia, from surveys supplied by officers of the army Entered according to Act of Congress in the year 1862, by D.A. Heald.. BRBL_00421. [1862]. https://collections.library.yale.edu/catalog/15604013.
APA, 6th edition
Heald, D. A. (Daniel Addison), 1818-1900. (["BRBL_00421"])([1862])[The battle fields and military positions in eastern Virginia, from surveys supplied by officers of the army Entered according to Act of Congress in the year 1862, by D.A. Heald.]. https://collections.library.yale.edu/catalog/15604013.