APA引文

Toynbee, A. J. (1934). A study of history. Royal Institute of International Affairs.

Trích dẫn kiểu Chicago

Toynbee, Arnold J. A Study of History. Royal Institute of International Affairs, 1934.

MLA引文

Toynbee, Arnold J. A Study of History. Royal Institute of International Affairs, 1934.

警告：这些引文格式不一定是100％准确.