Style de citation APA (7e éd.)
Spencer, R., & Jansen, J. J. G. (2012). Did Muhammad exist?: An inquiry into Islam's obscure origins. ISI Books.
Style de citation Chicago (17e éd.)
Spencer, Robert, et Johannes J. G. Jansen. Did Muhammad Exist?: An Inquiry into Islam's Obscure Origins. Wilmington, Delaware: ISI Books, 2012.
Style de citation MLA (9e éd.)
Spencer, Robert, et Johannes J. G. Jansen. Did Muhammad Exist?: An Inquiry into Islam's Obscure Origins. ISI Books, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.