U.S. Congress. (1961). Biographical directory of the American Congress, 1774-1949. U.S. Gov't Printing Office.
Chicago Style (17th ed.) CitationU.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:這些引文格式不一定是100%准確.