Higgins, G. G. (1979). Labor Day Statement, 1979. Washington, D.C..
Chicago Style (17th ed.) CitationHiggins, George G. Labor Day Statement, 1979. Washington, D.C., 1979.
MLA引文Higgins, George G. Labor Day Statement, 1979. Washington, D.C., 1979.
警告:这些引文格式不一定是100%准确.