Freeman, K. (1948). Ancilla to the Pre-Socratic Philosophers: By Kathleen Freeman (1st publ.). Blackwell.
Chicago-Zitierstil (17. Ausg.)Freeman, Kathleen. Ancilla to the Pre-Socratic Philosophers: By Kathleen Freeman. 1st publ. Oxford: Blackwell, 1948.
MLA-Zitierstil (8. Ausg.)Freeman, Kathleen. Ancilla to the Pre-Socratic Philosophers: By Kathleen Freeman. 1st publ. Blackwell, 1948.
警告：这些引文格式不一定是100％准确.