APA (7th ed.) Citation

(1973). Pittsburgh metropolitan area air pollutant emission inventory (Reprod. [of the ed.] Durham, NC: U.S. Dept. of Health, Education, and Welfare 1968.). Nat. Techn. Information Service.

Chicago Style (17th ed.) Citation

Pittsburgh Metropolitan Area Air Pollutant Emission Inventory. Reprod. [of the ed.] Durham, NC: U.S. Dept. of Health, Education, and Welfare 1968. Springfield, Va: Nat. Techn. Information Service, 1973.

MLA (9th ed.) Citation

Pittsburgh Metropolitan Area Air Pollutant Emission Inventory. Reprod. [of the ed.] Durham, NC: U.S. Dept. of Health, Education, and Welfare 1968. Nat. Techn. Information Service, 1973.