Carretto, C., Hancock, R. M., & Illich, I. (1972). Letters from the desert. Orbis Books.
芝加哥风格引文Carretto, Carlo, Rose Mary Hancock, 与 Ivan Illich. Letters from the Desert. Maryknoll: Orbis Books, 1972.
MLA引文Carretto, Carlo, et al. Letters from the Desert. Orbis Books, 1972.
警告：这些引文格式不一定是100％准确.