Cita APA

(1989). The age of calamity: Timeframe AD 1300-1400. Alexandria, Virginia: Time-Life books.

Citación estilo Chicago

The Age of Calamity: Timeframe AD 1300-1400. Alexandria, Virginia: Time-Life books, 1989.

Cita MLA

The Age of Calamity: Timeframe AD 1300-1400. Alexandria, Virginia: Time-Life books, 1989.