Library of Congress. Copyright Office. (1928). Copyright law of Philippine Islands, Mar. 6, 1924. U.S. GPO.
Chicago Style (17th ed.) CitationLibrary of Congress. Copyright Office. Copyright Law of Philippine Islands, Mar. 6, 1924. Washington: U.S. GPO, 1928.
MLA (9th ed.) CitationLibrary of Congress. Copyright Office. Copyright Law of Philippine Islands, Mar. 6, 1924. U.S. GPO, 1928.
Warning: These citations may not always be 100% accurate.