APA (7th ed.) Citation

Texas. General Land Office, Hale, C. R., & Armstrong, E. (1969). Callahan Co. The Office.

Chicago Style (17th ed.) Citation

Texas. General Land Office, Curtis R. Hale, and Eltea Armstrong. Callahan Co. Austin, Tex.: The Office, 1969.

MLA (9th ed.) Citation

Texas. General Land Office, et al. Callahan Co. The Office, 1969.