APA (7th ed.) Citation

Spencer, R. (2015). The complete infidel's guide to ISIS. Regnery Publishing.

Chicago Style (17th ed.) Citation

Spencer, Robert. The Complete Infidel's Guide to ISIS. Washington, DC: Regnery Publishing, 2015.

MLA (9th ed.) Citation

Spencer, Robert. The Complete Infidel's Guide to ISIS. Regnery Publishing, 2015.

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