APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Sheldon, Sidney. The Sky Is Falling. London: HarperCollins, 2000.

MLA (8th ed.) Citation

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

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