Pilkey, D. (1991). Dragon's merry Christmas: Dragon's third tale. Orchard Books.
Cita Chicago Style (17a ed.)Pilkey, Dav. Dragon's Merry Christmas: Dragon's Third Tale. New York: Orchard Books, 1991.
Cita MLA (8a ed.)Pilkey, Dav. Dragon's Merry Christmas: Dragon's Third Tale. Orchard Books, 1991.
Precaución: Estas citas no son 100% exactas.