Penn, W. S. (1994). The absence of angels. Permanent Press.
Chicago Style (17th ed.) CitationPenn, W. S. The Absence of Angels. Sag Harbor, N.Y.: Permanent Press, 1994.
MLA (9th ed.) CitationPenn, W. S. The Absence of Angels. Permanent Press, 1994.
Warning: These citations may not always be 100% accurate.