Steel, R. (1980). Walter Lippmann and the American century: By Ronald Steel. Little, Brown.
Chicago-Zitierstil (17. Ausg.)Steel, Ronald. Walter Lippmann and the American Century: By Ronald Steel. Boston: Little, Brown, 1980.
MLA-Zitierstil (8. Ausg.)Steel, Ronald. Walter Lippmann and the American Century: By Ronald Steel. Little, Brown, 1980.
警告：這些引文格式不一定是100％准確.