APA (7th ed.) Citation

Time-Life Books. (1989). The Mongol conquests: Time frame AD 1200-1300. Time-Life Books.

Chicago Style (17th ed.) Citation

Time-Life Books. The Mongol Conquests: Time Frame AD 1200-1300. Amsterdam: Time-Life Books, 1989.

MLA (9th ed.) Citation

Time-Life Books. The Mongol Conquests: Time Frame AD 1200-1300. Time-Life Books, 1989.

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