APA引文

U.S. Congress. (1961). Biographical directory of the American Congress, 1774-1949. U.S. Gov't Printing Office.

芝加哥风格引文

U.S. Congress. Biographical Directory of the American Congress, 1774-1949. Washington, D.C: U.S. Gov't Printing Office, 1961.

MLA引文

U.S. Congress. Biographical Directory of the American Congress, 1774-1949. U.S. Gov't Printing Office, 1961.

警告:这些引文格式不一定是100%准确.