Cita APA

WESTERMANN, W. L. (1955). The Slave systems of Greek and Roman antiquity. The American philosophical society.

Citación estilo Chicago

WESTERMANN, William L. The Slave Systems of Greek and Roman Antiquity. Philadelphia: The American philosophical society, 1955.

Cita MLA

WESTERMANN, William L. The Slave Systems of Greek and Roman Antiquity. The American philosophical society, 1955.