APA引文

Butterfield, H. (1949). George third Lord North and the people 1779-80.

Chicago Edition Citation

Butterfield, H. George Third Lord North and the People 1779-80. 1949.

MLA引文

Butterfield, H. George Third Lord North and the People 1779-80. 1949.

警告：這些引文格式不一定是100％准確.