APA引文

Barker, E. (1989). Political thought: From herbert spencer to the present day. Printwell.

Chicago Edition Citation

Barker, Ernest. Political Thought: From Herbert Spencer to the Present Day. Jaipur: Printwell, 1989.

MLA引文

Barker, Ernest. Political Thought: From Herbert Spencer to the Present Day. Printwell, 1989.

警告：這些引文格式不一定是100％准確.