Citazione Stile APA (7a Edizione)

Walker, P. E. The Isma'ilis: Paul E. Walker. The Cambridge Companion to Arabic philosophy.(2006).

Citazione stile Chigago Style (17a edizione)

Walker, Paul E. "The Isma'ilis: Paul E. Walker." The Cambridge Companion to Arabic Philosophy.(2006) .

Citatione MLA (8a ed.)

Walker, Paul E. "The Isma'ilis: Paul E. Walker." The Cambridge Companion to Arabic Philosophy.(2006), .