Cita APA (7a ed.)

O'Connor, J., & Mantha, J. (2013). What was the Battle of Gettysburg? Grosset & Dunlap.

Cita Chicago Style (17a ed.)

O'Connor, Jim, y John Mantha. What Was the Battle of Gettysburg? New York: Grosset & Dunlap, 2013.

Cita MLA (8a ed.)

O'Connor, Jim, y John Mantha. What Was the Battle of Gettysburg? Grosset & Dunlap, 2013.

Precaución: Estas citas no son 100% exactas.