Cita APA (7a ed.)

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.