APA (7th ed.) Citation

Gallagher & Pigeon. (1986). Infantry regiments of the United States army. Military Press.

Chicago Style (17th ed.) Citation

Gallagher and Pigeon. Infantry Regiments of the United States Army. New York: Military Press, 1986.

MLA (8th ed.) Citation

Gallagher and Pigeon. Infantry Regiments of the United States Army. Military Press, 1986.

Warning: These citations may not always be 100% accurate.