APA引文

United States of America. (1898). Copyright law of the United States of America. Copyright Office, Library of Congress.

Chicago Style (17th ed.) Citation

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：這些引文格式不一定是100％准確.