Butt, H. (1978). At the edge of hope. The Seabury Press.
Cita Chicago (17th ed.)Butt, Howard. At the Edge of Hope. The Seabury Press, 1978.
Cita MLA (9th ed.)Butt, Howard. At the Edge of Hope. The Seabury Press, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.