Cita APA (7th ed.)

Boyer, P. S. (1992). Urban masses and moral order in America, 1820-1920 (1st Harvard University Press pbk. ed.). Harvard University Press.

Cita Chicago (17th ed.)

Boyer, Paul S. Urban Masses and Moral Order in America, 1820-1920. 1st Harvard University Press pbk. ed. Cambridge, MA ; London: Harvard University Press, 1992.

Cita MLA (9th ed.)

Boyer, Paul S. Urban Masses and Moral Order in America, 1820-1920. 1st Harvard University Press pbk. ed. Harvard University Press, 1992.