Cita APA (7a ed.)

Commons, J. R., & Farnam, H. W. (1921). History of labour in the United States. MacMillan Company.

Cita Chicago Style (17a ed.)

Commons, John Rogers, y Henry Walcott Farnam. History of Labour in the United States. New York: MacMillan Company, 1921.

Cita MLA (9a ed.)

Commons, John Rogers, y Henry Walcott Farnam. History of Labour in the United States. MacMillan Company, 1921.

Precaución: Estas citas no son 100% exactas.