APA (7th ed.) Citation

Horowitz, D. (2004). Unholy alliance: Radical Islam and the American left. Regnery Publ.

Chicago Style (17th ed.) Citation

Horowitz, David. Unholy Alliance: Radical Islam and the American Left. Washington, D.C: Regnery Publ, 2004.

MLA (9th ed.) Citation

Horowitz, David. Unholy Alliance: Radical Islam and the American Left. Regnery Publ, 2004.