APA (7th ed.) Citation

Simpson, H. B. (1970). The Second U.S. Cavalry in Texas, 1855-1861. Military History Press.

Chicago Style (17th ed.) Citation

Simpson, Harold B. The Second U.S. Cavalry in Texas, 1855-1861. Austin, Tex.: Military History Press, 1970.

MLA (9th ed.) Citation

Simpson, Harold B. The Second U.S. Cavalry in Texas, 1855-1861. Military History Press, 1970.