APA引文

Carman, H. J. (1930). Social and economic history of the United States. Heath.

Chicago Style (17th ed.) Citation

Carman, Harry J. Social and Economic History of the United States. Boston: Heath, 1930.

MLA引文

Carman, Harry J. Social and Economic History of the United States. Heath, 1930.

警告:这些引文格式不一定是100%准确.