Cita APA (7th ed.)

Gallagher, G. W. (2011). The Union war. Harvard University Press.

Cita Chicago (17th ed.)

Gallagher, Gary W. The Union War. Cambridge, Mass.: Harvard University Press, 2011.

Cita MLA (9th ed.)

Gallagher, Gary W. The Union War. Harvard University Press, 2011.