Barrow, R. H. (1951). Introduction to St. Augustine. [publisher not identified].
芝加哥风格引文Barrow, Reginald Haynes. Introduction to St. Augustine. New York: [publisher not identified], 1951.
MLA引文Barrow, Reginald Haynes. Introduction to St. Augustine. [publisher not identified], 1951.
警告：这些引文格式不一定是100％准确.