Walker, P. E. (2002). Exploring an Islamic empire: Fatimid history and its sources. Ismaili heritage series.
Chicago Style (17th ed.) CitationWalker, Paul E. "Exploring an Islamic Empire: Fatimid History and Its Sources." Ismaili Heritage Series 2002.
MLA (8th ed.) CitationWalker, Paul E. "Exploring an Islamic Empire: Fatimid History and Its Sources." Ismaili Heritage Series, 2002.
Warning: These citations may not always be 100% accurate.