District of Columbia National Guard. (1940). Historical and pictorial review. Army and Navy Pub. Co..
Chicago Style (17th ed.) CitationDistrict of Columbia National Guard. Historical and Pictorial Review. Baton Rouge, La.: Army and Navy Pub. Co., 1940.
MLA (9th ed.) CitationDistrict of Columbia National Guard. Historical and Pictorial Review. Army and Navy Pub. Co., 1940.
Warning: These citations may not always be 100% accurate.