Texas Air Control Board. (1981). Regulation IV: 31 TAC chapter 114, control of air pollution from motor vehicles, revised March 20, 1981 (Rev.). [The Board].
Chicago Style (17th ed.) CitationTexas Air Control Board. Regulation IV: 31 TAC Chapter 114, Control of Air Pollution from Motor Vehicles, Revised March 20, 1981. Rev. [Austin, Tex.]: [The Board], 1981.
MLA (9th ed.) CitationTexas Air Control Board. Regulation IV: 31 TAC Chapter 114, Control of Air Pollution from Motor Vehicles, Revised March 20, 1981. Rev. [The Board], 1981.
Warning: These citations may not always be 100% accurate.