APA (7th ed.) Citation

(1988). Empires besieged (AD 200-600). Time-Life Books.

Chicago Style (17th ed.) Citation

Empires Besieged (AD 200-600). Amsterdam: Time-Life Books, 1988.

MLA (9th ed.) Citation

Empires Besieged (AD 200-600). Time-Life Books, 1988.

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