Ilg, A. M. (1922). Two roads to paradise. s.n.].
Chicago Style (17th ed.) CitationIlg, Augustin Maria. Two Roads to Paradise. [S.l.: s.n.], 1922.
MLA引文Ilg, Augustin Maria. Two Roads to Paradise. s.n.], 1922.
警告：这些引文格式不一定是100％准确.
APA引文