Cita APA

Westermann, W. L. 1. (1955). The slave systems of Greek and Roman antiquity. Philadelphia: The American Philosophical Society.

Citación estilo Chicago

Westermann, William L. 1873-1954. The Slave Systems of Greek and Roman Antiquity. Philadelphia: The American Philosophical Society, 1955.

Cita MLA

Westermann, William L. 1873-1954. The Slave Systems of Greek and Roman Antiquity. Philadelphia: The American Philosophical Society, 1955.