Cita APA

Cohen, S., & Cohen, S. (1970). Labor in the United States (3. edition.). Columbus, Ohio: Ch. E. Merrill.

Citación estilo Chicago

Cohen, Sanford, y Sanford Cohen. Labor in the United States. 3. edition. Columbus, Ohio: Ch. E. Merrill, 1970.

Cita MLA

Cohen, Sanford, y Sanford Cohen. Labor in the United States. 3. edition. Columbus, Ohio: Ch. E. Merrill, 1970.