APA (7th ed.) Citation

Gray, M. P. (1999). Elmira, a city on a prison-camp contract. Civil War History, 45(4), 322.

Chicago Style (17th ed.) Citation

Gray, Michael P. "Elmira, a City on a Prison-camp Contract." Civil War History 45, no. 4 (1999): 322.

MLA (9th ed.) Citation

Gray, Michael P. "Elmira, a City on a Prison-camp Contract." Civil War History, vol. 45, no. 4, 1999, p. 322.