Abaelard, P., & MacCallum, J. R. (1976). Abailard's Ethics (Repr. of the 1935 ed.). Richwood Pub. Co.
芝加哥风格引文Abaelard, Peter, 与 James R. MacCallum. Abailard's Ethics. Repr. of the 1935 ed. Merrick, N.Y: Richwood Pub. Co, 1976.
MLA引文Abaelard, Peter, 与 James R. MacCallum. Abailard's Ethics. Repr. of the 1935 ed. Richwood Pub. Co, 1976.
警告：这些引文格式不一定是100％准确.