APA引文

Hart, J. (1948). American Presidency in action 1789: A study in constitutional history.

Chicago Edition Citation

Hart, James. American Presidency in Action 1789: A Study in Constitutional History. 1948.

MLA引文

Hart, James. American Presidency in Action 1789: A Study in Constitutional History. 1948.

警告：這些引文格式不一定是100％准確.