Cita APA

Petro, S. (1957). The labor policy of the free society. Ronald Press.

Citación estilo Chicago

Petro, Sylvester. The Labor Policy of the Free Society. New York: Ronald Press, 1957.

Cita MLA

Petro, Sylvester. The Labor Policy of the Free Society. Ronald Press, 1957.

Warning: These citations may not always be 100% accurate.