Parsons, W. (1956). Saint Augustine, Letters 5 (204-270). Translated by W. Parsons. [publisher not identified].
芝加哥风格引文Parsons, Wilfrid. Saint Augustine, Letters 5 (204-270). Translated by W. Parsons. New York: [publisher not identified], 1956.
MLA引文Parsons, Wilfrid. Saint Augustine, Letters 5 (204-270). Translated by W. Parsons. [publisher not identified], 1956.
警告：这些引文格式不一定是100％准确.