Abney, G. (2007). Wings Over Illinois. Southern Illinois University Press.
Cita Chicago Style (17a ed.)Abney, Gene. Wings Over Illinois. Carbondale: Southern Illinois University Press, 2007.
Cita MLA (8a ed.)Abney, Gene. Wings Over Illinois. Southern Illinois University Press, 2007.
Precaución: Estas citas no son 100% exactas.