Texas. General Land Office, Shelton, J. E., & Beck, W. M. (1932). Maps of Roberts County. General Land Office.
Chicago Style (17th ed.) CitationTexas. General Land Office, John E. Shelton, and W. M. Beck. Maps of Roberts County. Austin, Tex.: General Land Office, 1932.
MLA (9th ed.) CitationTexas. General Land Office, et al. Maps of Roberts County. General Land Office, 1932.
Warning: These citations may not always be 100% accurate.