Cita APA

O'Neill, R. (1992). The middle ages. New York: Avenel, New Jersey: Crescent Books ; Distributed by outlet.

Citación estilo Chicago

O'Neill, Richard. The Middle Ages. New York: Avenel, New Jersey: Crescent Books ; Distributed by outlet, 1992.

Cita MLA

O'Neill, Richard. The Middle Ages. New York: Avenel, New Jersey: Crescent Books ; Distributed by outlet, 1992.

Precaución: Estas citas no son 100% exactas.