Cita APA (7a ed.)

Hines, G., & Wallner, A. (1998). A Christmas tree in the White House. Holt.

Cita Chicago Style (17a ed.)

Hines, Gary, y Alexandra Wallner. A Christmas Tree in the White House. New York: Holt, 1998.

Cita MLA (8a ed.)

Hines, Gary, y Alexandra Wallner. A Christmas Tree in the White House. Holt, 1998.

Precaución: Estas citas no son 100% exactas.