Houston, G., & Cooney, B. (1988). The year of the perfect Christmas tree: An Appalachian story. Dial Books for Young Readers.
Cita Chicago Style (17a ed.)Houston, Gloria, y Barbara Cooney. The Year of the Perfect Christmas Tree: An Appalachian Story. New York: Dial Books for Young Readers, 1988.
Cita MLA (8a ed.)Houston, Gloria, y Barbara Cooney. The Year of the Perfect Christmas Tree: An Appalachian Story. Dial Books for Young Readers, 1988.
Precaución: Estas citas no son 100% exactas.