United States of America. (1898). Copyright law of the United States of America. Copyright Office, Library of Congress.
芝加哥风格引文United States of America. Copyright Law of the United States of America. Washington: Copyright Office, Library of Congress, 1898.
MLA引文United States of America. Copyright Law of the United States of America. Copyright Office, Library of Congress, 1898.
警告：这些引文格式不一定是100％准确.