APA Style

Spencer, R. (2005). The politically incorrect guide to Islam and the crusades / Robert Spencer (1). Washington, D.C.: Regnery.

MLA Style

Spencer, Robert. "The politically incorrect guide to Islam and the crusades / Robert Spencer". 1 Washington, D.C.: Regnery, 2005. Textbook ห้องสมุดทั่วไป.