Billingham, M. (2012). The demands (1st U.S. ed.). Little, Brown and Company.
Cita Chicago Style (17a ed.)Billingham, Mark. The Demands. 1st U.S. ed. New York: Little, Brown and Company, 2012.
Cita MLA (8a ed.)Billingham, Mark. The Demands. 1st U.S. ed. Little, Brown and Company, 2012.
Precaución: Estas citas no son 100% exactas.