Cita APA (7th ed.)
Gerhard Nehls. (1954). Islam in Perspective pt 1. Sim international.
Cita Chicago (17th ed.)
Gerhard Nehls. Islam in Perspective Pt 1. Sim international, 1954.
Cita MLA (9th ed.)
Gerhard Nehls. Islam in Perspective Pt 1. Sim international, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.