Butzer, C. M. (2009). Gettysburg: The graphic novel. Bowen Press/Collins.
Cita Chicago Style (17a ed.)Butzer, C. M. Gettysburg: The Graphic Novel. New York: Bowen Press/Collins, 2009.
Cita MLA (8a ed.)Butzer, C. M. Gettysburg: The Graphic Novel. Bowen Press/Collins, 2009.
Precaución: Estas citas no son 100% exactas.