United States. Congress. House. Committee on Immigration and Naturalization & ProQuest (Firm). (1921). Proposed Restriction of Immigration: Hearings before the United States House Committee on Immigration and Naturalization, Sixty-Sixth Congress, second session, on Apr. 22, 1920. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Immigration and Naturalization and ProQuest (Firm). Proposed Restriction of Immigration: Hearings Before the United States House Committee on Immigration and Naturalization, Sixty-Sixth Congress, Second Session, on Apr. 22, 1920. Washington: U.S. G.P.O., 1921.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Immigration and Naturalization and ProQuest (Firm). Proposed Restriction of Immigration: Hearings Before the United States House Committee on Immigration and Naturalization, Sixty-Sixth Congress, Second Session, on Apr. 22, 1920. U.S. G.P.O., 1921.