APA (7th ed.) Citation
Spencer, R. (2007). Religion of peace?: Why Christianity is and Islam isn't. Regnery Pub..
Chicago Style (17th ed.) Citation
Spencer, Robert. Religion of Peace?: Why Christianity Is and Islam Isn't. Washington, DC: Regnery Pub., 2007.
MLA (9th ed.) Citation
Spencer, Robert. Religion of Peace?: Why Christianity Is and Islam Isn't. Regnery Pub., 2007.
Warning: These citations may not always be 100% accurate.