Paulsen, G. (1989). The winter room. Orchard Books.
Cita Chicago Style (17a ed.)Paulsen, Gary. The Winter Room. New York: Orchard Books, 1989.
Cita MLA (8a ed.)Paulsen, Gary. The Winter Room. Orchard Books, 1989.
Precaución: Estas citas no son 100% exactas.