Cita APA (7a ed.)
(1995). The world book encyklopedia of people and places. Vol. 6: U - Z. The World Book,Inc.
Cita Chicago Style (17a ed.)
The World Book Encyklopedia of People and Places. Vol. 6: U - Z. Chicago: The World Book,Inc, 1995.
Cita MLA (9a ed.)
The World Book Encyklopedia of People and Places. Vol. 6: U - Z. The World Book,Inc, 1995.
Precaución: Estas citas no son 100% exactas.