Cita APA (7a ed.)

Cummins, E., & Devyver, F. T. (1947). The labor problem in the United States (3 ed.). D.Van Nostrand.

Cita Chicago Style (17a ed.)

Cummins, E.E, y Frank T. Devyver. The Labor Problem in the United States. 3 ed. New York: D.Van Nostrand, 1947.

Cita MLA (8a ed.)

Cummins, E.E, y Frank T. Devyver. The Labor Problem in the United States. 3 ed. D.Van Nostrand, 1947.