Lock, D. (2012). The great migration (1st American ed.). DK.
Cita Chicago Style (17a ed.)Lock, Deborah. The Great Migration. 1st American ed. New York, N.Y.: DK, 2012.
Cita MLA (8a ed.)Lock, Deborah. The Great Migration. 1st American ed. DK, 2012.
Precaución: Estas citas no son 100% exactas.