APA引文

Cummins, E., & Devyver, F. T. (1947). Labour problem in the United States. N.van nustrand co.

Chicago Edition Citation

Cummins, E.E, and Frank T. Devyver. Labour Problem in the United States. London: N.van nustrand co, 1947.

MLA引文

Cummins, E.E, and Frank T. Devyver. Labour Problem in the United States. N.van nustrand co, 1947.

警告：這些引文格式不一定是100％准確.