Searcy, J. (2006). Signs in our world (1st American ed.). DK Publishing.
Cita Chicago Style (17a ed.)Searcy, John. Signs in Our World. 1st American ed. New York: DK Publishing, 2006.
Cita MLA (8a ed.)Searcy, John. Signs in Our World. 1st American ed. DK Publishing, 2006.
Precaución: Estas citas no son 100% exactas.