APA引文

(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引文

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

警告：這些引文格式不一定是100％准確.