APA引文

Sypeck, J. (2007). Becoming Charlemagne: Europe, Baghdad, and the empires of A.D. 800 (1st Harper Perennial ed.). Harper Perennial.

Chicago Style (17th ed.) Citation

Sypeck, Jeff. Becoming Charlemagne: Europe, Baghdad, and the Empires of A.D. 800. 1st Harper Perennial ed. New York: Harper Perennial, 2007.

MLA引文

Sypeck, Jeff. Becoming Charlemagne: Europe, Baghdad, and the Empires of A.D. 800. 1st Harper Perennial ed. Harper Perennial, 2007.

警告：這些引文格式不一定是100％准確.