Cita APA (7th ed.)
Nehls, G. (1966). Islam in perspective: Part 1. Fulcon press.
Cita Chicago (17th ed.)
Nehls, Gerhard. Islam in Perspective: Part 1. USA: Fulcon press, 1966.
Cita MLA (9th ed.)
Nehls, Gerhard. Islam in Perspective: Part 1. Fulcon press, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.