APA (7th ed.) Citation

Billias, G. A. (2009). American constitutionalism heard round the world, 1776-1989: A global perspective. New York University Press.

Chicago Style (17th ed.) Citation

Billias, George Athan. American Constitutionalism Heard Round the World, 1776-1989: A Global Perspective. New York: New York University Press, 2009.

MLA (8th ed.) Citation

Billias, George Athan. American Constitutionalism Heard Round the World, 1776-1989: A Global Perspective. New York University Press, 2009.