Cita APA (7th ed.)

Ashworth, J. (2012). The republic in crisis, 1848-1861. Cambridge University Press.

Cita Chicago (17th ed.)

Ashworth, John. The Republic in Crisis, 1848-1861. Cambridge ; New York: Cambridge University Press, 2012.

Cita MLA (9th ed.)

Ashworth, John. The Republic in Crisis, 1848-1861. Cambridge University Press, 2012.