APA (7th ed.) Citation

Horowitz, D. (2021). The enemy within: How a totalitarian movement is destroying America. Regnery Publishing.

Chicago Style (17th ed.) Citation

Horowitz, David. The Enemy Within: How a Totalitarian Movement Is Destroying America. Washington, D.C.: Regnery Publishing, 2021.

MLA (8th ed.) Citation

Horowitz, David. The Enemy Within: How a Totalitarian Movement Is Destroying America. Regnery Publishing, 2021.

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