APA (7th ed.) Citation

Coffman, E. M. (2004). The regulars: The American Army, 1898-1941. Belknap Press of Harvard University Press.

Chicago Style (17th ed.) Citation

Coffman, Edward M. The Regulars: The American Army, 1898-1941. Cambridge: Belknap Press of Harvard University Press, 2004.

MLA (9th ed.) Citation

Coffman, Edward M. The Regulars: The American Army, 1898-1941. Belknap Press of Harvard University Press, 2004.