Cita APA

Cairns, J. C. (1965). The nineteenth century: 1815 - 1914. The Free Press.

Citación estilo Chicago

Cairns, John C. The Nineteenth Century: 1815 - 1914. New York: The Free Press, 1965.

Cita MLA

Cairns, John C. The Nineteenth Century: 1815 - 1914. The Free Press, 1965.