Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.