Korotayev, A. Sixth Century Global Climatic Disaster, the Origins of Islam, and its World-System Consequences. University Library System, University of Pittsburgh.
Chicago Style (17th ed.) CitationKorotayev, Andrey. Sixth Century Global Climatic Disaster, the Origins of Islam, and Its World-System Consequences. University Library System, University of Pittsburgh.
MLA (9th ed.) CitationKorotayev, Andrey. Sixth Century Global Climatic Disaster, the Origins of Islam, and Its World-System Consequences. University Library System, University of Pittsburgh.
Warning: These citations may not always be 100% accurate.