APA引文
Billias, G. A. (2009). American constitutionalism heard round the world, 1776-1989: A global perspective. New York University Press.
芝加哥风格引文
Billias, George Athan. American Constitutionalism Heard Round the World, 1776-1989: A Global Perspective. New York: New York University Press, 2009.
MLA引文
Billias, George Athan. American Constitutionalism Heard Round the World, 1776-1989: A Global Perspective. New York University Press, 2009.
警告：这些引文格式不一定是100％准确.