Waldron, J. L., & McPhail, D. (1997). Angel Pig & the hidden Christmas. Dutton Children's Books.
Cita Chicago Style (17a ed.)Waldron, Jan L., y David McPhail. Angel Pig & the Hidden Christmas. New York: Dutton Children's Books, 1997.
Cita MLA (8a ed.)Waldron, Jan L., y David McPhail. Angel Pig & the Hidden Christmas. Dutton Children's Books, 1997.
Precaución: Estas citas no son 100% exactas.