APA
United States, . (1945). Independence for Puerto Rico: Hearings before the Committee on Territories and Insular Affairs, United States Senate, Seventy-ninth Congress, first session, on S. 227, a bill to provide for the withdrawal of the sovereignty of the United States over the island of Puerto Rico and the recognition of its independence. Washington, D.C: U.S. Govt. Print. Off.
Chicago
United States, . 1945. Independence for Puerto Rico: Hearings before the Committee on Territories and Insular Affairs, United States Senate, Seventy-ninth Congress, first session, on S. 227, a bill to provide for the withdrawal of the sovereignty of the United States over the island of Puerto Rico and the recognition of its independence. Washington, D.C: U.S. Govt. Print. Off.
Harvard
United States, . (1945). Independence for Puerto Rico: Hearings before the Committee on Territories and Insular Affairs, United States Senate, Seventy-ninth Congress, first session, on S. 227, a bill to provide for the withdrawal of the sovereignty of the United States over the island of Puerto Rico and the recognition of its independence. Washington, D.C: U.S. Govt. Print. Off.
MLA
United States, . Independence for Puerto Rico: Hearings before the Committee on Territories and Insular Affairs, United States Senate, Seventy-ninth Congress, first session, on S. 227, a bill to provide for the withdrawal of the sovereignty of the United States over the island of Puerto Rico and the recognition of its independence. Washington, D.C: U.S. Govt. Print. Off. 1945.