L'Engle, M. (1972). A circle of quiet. HarperSanFrancisco.
Chicago Style (17th ed.) CitationL'Engle, Madeleine. A Circle of Quiet. New York: HarperSanFrancisco, 1972.
MLA引文L'Engle, Madeleine. A Circle of Quiet. HarperSanFrancisco, 1972.
警告:這些引文格式不一定是100%准確.