Cita APA (7a ed.)

Sheldon, S. (2000). The sky is falling. Morrow.

Cita Chicago Style (17a ed.)

Sheldon, Sidney. The Sky Is Falling. New York: Morrow, 2000.

Cita MLA (8a ed.)

Sheldon, Sidney. The Sky Is Falling. Morrow, 2000.

Precaución: Estas citas no son 100% exactas.