APA (7th ed.) Citation

Sheldon, S. (1992). The doomsday conspiracy. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Sheldon, Sidney. The Doomsday Conspiracy. London: HarperCollins Publishers, 1992.

MLA (9th ed.) Citation

Sheldon, Sidney. The Doomsday Conspiracy. HarperCollins Publishers, 1992.

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