APA (7th ed.) Citation

(1989). The age of calamity: Time frame AD 1300 - 1400. Time-Life Books.

Chicago Style (17th ed.) Citation

The Age of Calamity: Time Frame AD 1300 - 1400. Alexandria, Va: Time-Life Books, 1989.

MLA (9th ed.) Citation

The Age of Calamity: Time Frame AD 1300 - 1400. Time-Life Books, 1989.

Warning: These citations may not always be 100% accurate.