Westermann, W. L. (1955). The slave systems of Greek and Roman antiquity. American Philosophical Society.
Chicago Style (17th ed.) CitationWestermann, William Linn. The Slave Systems of Greek and Roman Antiquity. Philadelphia: American Philosophical Society, 1955.
MLA (9th ed.) CitationWestermann, William Linn. The Slave Systems of Greek and Roman Antiquity. American Philosophical Society, 1955.
Warning: These citations may not always be 100% accurate.