Hillstrom, K. (2013). World War I and the age of modern warfare. Omnigraphics.
Cita Chicago Style (17a ed.)Hillstrom, Kevin. World War I and the Age of Modern Warfare. Detroit, MI: Omnigraphics, 2013.
Cita MLA (9a ed.)Hillstrom, Kevin. World War I and the Age of Modern Warfare. Omnigraphics, 2013.
Precaución: Estas citas no son 100% exactas.