APA (7th ed.) Citation

Texas. General Land Office, Menzel, E., Ulbricht, H. H., & Kilpatrick, J. (1975). Pecos County: Northwest part. The Office.

Chicago Style (17th ed.) Citation

Texas. General Land Office, Elbert Menzel, H. H. Ulbricht, and Joan Kilpatrick. Pecos County: Northwest Part. Austin, Tex.: The Office, 1975.

MLA (9th ed.) Citation

Texas. General Land Office, et al. Pecos County: Northwest Part. The Office, 1975.