APA (7th ed.) Citation

Emmens, J. (1941). Civil war letters of John Emmens of Gravesend, Long Island. [publisher not identified].

Chicago Style (17th ed.) Citation

Emmens, John. Civil War Letters of John Emmens of Gravesend, Long Island. [Brooklyn? N.Y.]: [publisher not identified], 1941.

MLA (9th ed.) Citation

Emmens, John. Civil War Letters of John Emmens of Gravesend, Long Island. [publisher not identified], 1941.