Cita APA (7a ed.)

Shannon, D. (2010). It's Christmas, David! Blue Sky Press.

Cita Chicago Style (17a ed.)

Shannon, David. It's Christmas, David! New York: Blue Sky Press, 2010.

Cita MLA (8a ed.)

Shannon, David. It's Christmas, David! Blue Sky Press, 2010.

Precaución: Estas citas no son 100% exactas.