U.S. Laws, statutes, etc., 1909 (61st Cong., 1st Sess.). (1977). The tariff act of 1909: An act to provide revenue, equalize duties, and encourage the industries of the United States, and for other purposes. With index. Approved Aug. 5, 1909 [microform]. Photoduplication Service, University of the Philippines Library.
Chicago Style (17th ed.) CitationU.S. Laws, statutes, etc., 1909 (61st Cong., 1st Sess.). The Tariff Act of 1909: An Act to Provide Revenue, Equalize Duties, and Encourage the Industries of the United States, and for Other Purposes. With Index. Approved Aug. 5, 1909 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA (9th ed.) CitationU.S. Laws, statutes, etc., 1909 (61st Cong., 1st Sess.). The Tariff Act of 1909: An Act to Provide Revenue, Equalize Duties, and Encourage the Industries of the United States, and for Other Purposes. With Index. Approved Aug. 5, 1909 [microform]. Photoduplication Service, University of the Philippines Library, 1977.