APA (7th ed.) Citation

Spencer, R. (2005). The politically incorrect guide to Islam (and the Crusades). Regnery Publishing, Inc.

Chicago Style (17th ed.) Citation

Spencer, Robert. The Politically Incorrect Guide to Islam (and the Crusades). Washington, DC: Regnery Publishing, Inc, 2005.

MLA (8th ed.) Citation

Spencer, Robert. The Politically Incorrect Guide to Islam (and the Crusades). Regnery Publishing, Inc, 2005.

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