O'Keefe, E. (2018). Eyewitness to World War I medicine. The Child's World.
Cita Chicago Style (17a ed.)O'Keefe, Emily. Eyewitness to World War I Medicine. Mankato, MN: The Child's World, 2018.
Cita MLA (8a ed.)O'Keefe, Emily. Eyewitness to World War I Medicine. The Child's World, 2018.
Precaución: Estas citas no son 100% exactas.