Johnston, D. (2006). Contours of an Islamo-Christian Civilization. International Institute of Islamic Thought.
Cita Chicago Style (17a ed.)Johnston, David. Contours of an Islamo-Christian Civilization. International Institute of Islamic Thought, 2006.
Cita MLA (8a ed.)Johnston, David. Contours of an Islamo-Christian Civilization. International Institute of Islamic Thought, 2006.
Precaución: Estas citas no son 100% exactas.