APA (7th ed.) Citation

Cahn, J. (2011). The harbinger: The ancient mystery that holds the secret of america's future.

Chicago Style (17th ed.) Citation

Cahn, Jonathan. The Harbinger: The Ancient Mystery That Holds the Secret of America's Future. 2011.

MLA (8th ed.) Citation

Cahn, Jonathan. The Harbinger: The Ancient Mystery That Holds the Secret of America's Future. 2011.

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