Crone, P. (2009). Islam and religious freedom. XXX. Deutscher Orientalistentag.
Chicago Style (17th ed.) CitationCrone, Patricia. "Islam and Religious Freedom." XXX. Deutscher Orientalistentag 2009.
MLA (8th ed.) CitationCrone, Patricia. "Islam and Religious Freedom." XXX. Deutscher Orientalistentag, 2009.
Warning: These citations may not always be 100% accurate.