Karras, J., & Karras, A. (1999). RAGBRAI: Everyone Pronounces It Wrong. University of Iowa Press.
Cita Chicago Style (17a ed.)Karras, John, y Ann Karras. RAGBRAI: Everyone Pronounces It Wrong. Iowa City: University of Iowa Press, 1999.
Cita MLA (8a ed.)Karras, John, y Ann Karras. RAGBRAI: Everyone Pronounces It Wrong. University of Iowa Press, 1999.
Precaución: Estas citas no son 100% exactas.