APA (7th ed.) Citation

United States. Militia Bureau. (1930). Changes to Circular No. 19 A-11, M.B., May 13, 1929 (courses at special service schools). [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Militia Bureau. Changes to Circular No. 19 A-11, M.B., May 13, 1929 (courses at Special Service Schools). Washington: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Militia Bureau. Changes to Circular No. 19 A-11, M.B., May 13, 1929 (courses at Special Service Schools). [publisher not identified], 1930.