Cita APA (7th ed.)
Hillstrom, K. (2013). The Battle of Gettysburg. Omnigraphics, Inc..
Cita Chicago (17th ed.)
Hillstrom, Kevin. The Battle of Gettysburg. Detroit, MI: Omnigraphics, Inc., 2013.
Cita MLA (9th ed.)
Hillstrom, Kevin. The Battle of Gettysburg. Omnigraphics, Inc., 2013.
Atenció: Aquestes cites poden no estar 100% correctes.