APA (7th ed.) Citation

Fortescue, J. W. (1976). A history of the British army. AMS Press.

Chicago Style (17th ed.) Citation

Fortescue, J. W. A History of the British Army. New York: AMS Press, 1976.

MLA (9th ed.) Citation

Fortescue, J. W. A History of the British Army. AMS Press, 1976.