APA (7th ed.) Citation

(1929). Headquarters and headquarters battery, observation battalion, corps artillery brigade (motorized); effective July 1, 1930. GPO.

Chicago Style (17th ed.) Citation

Headquarters and Headquarters Battery, Observation Battalion, Corps Artillery Brigade (motorized); Effective July 1, 1930. [Washington]: GPO, 1929.

MLA (9th ed.) Citation

Headquarters and Headquarters Battery, Observation Battalion, Corps Artillery Brigade (motorized); Effective July 1, 1930. GPO, 1929.

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