U.S.A, n. E.. (1976). Issues and Themes: Essays in American history an civilization. U.S.I.S.
芝加哥风格引文U.S.A, national Endowment. Issues and Themes: Essays in American History an Civilization. Delhi: U.S.I.S, 1976.
MLA引文U.S.A, national Endowment. Issues and Themes: Essays in American History an Civilization. U.S.I.S, 1976.
警告：这些引文格式不一定是100％准确.