O'Connor, H. (1937). The Guggenheims; the making of an American dynasty. Covici, Friede.
芝加哥风格引文O'Connor, Harvey. The Guggenheims; the Making of an American Dynasty. New York: Covici, Friede, 1937.
MLA引文O'Connor, Harvey. The Guggenheims; the Making of an American Dynasty. Covici, Friede, 1937.
警告：这些引文格式不一定是100％准确.