Duffy, B. (2016). Duffy's Iowa Caucus Cartoons: Watch 'Em Run. University of Iowa Press.
Cita Chicago Style (17a ed.)Duffy, Brian. Duffy's Iowa Caucus Cartoons: Watch 'Em Run. Iowa City: University of Iowa Press, 2016.
Cita MLA (8a ed.)Duffy, Brian. Duffy's Iowa Caucus Cartoons: Watch 'Em Run. University of Iowa Press, 2016.
Precaución: Estas citas no son 100% exactas.