United States. Army. Army, 1st, Pershing, J. J., & Liggett, H. (1923). Report of the First Army, American Expeditionary Forces: Organization and operations. The General Service Schools Press.
Chicago Style (17th ed.) CitationUnited States. Army. Army, 1st, John J. Pershing, and Hunter Liggett. Report of the First Army, American Expeditionary Forces: Organization and Operations. Fort Leavenworth, Kan.: The General Service Schools Press, 1923.
MLA (9th ed.) CitationUnited States. Army. Army, 1st, et al. Report of the First Army, American Expeditionary Forces: Organization and Operations. The General Service Schools Press, 1923.
Warning: These citations may not always be 100% accurate.