Cita APA (7a ed.)

Widengren, G. (1955). Muhammad, the apostle of God, and his ascension (king and saviour V). Lundequistska Bokhandeln ; Otto Harrassowitz.

Cita Chicago Style (17a ed.)

Widengren, Geo. Muhammad, the Apostle of God, and His Ascension (king and Saviour V). Uppsala : Wiesbaden: Lundequistska Bokhandeln ; Otto Harrassowitz, 1955.

Cita MLA (9a ed.)

Widengren, Geo. Muhammad, the Apostle of God, and His Ascension (king and Saviour V). Lundequistska Bokhandeln ; Otto Harrassowitz, 1955.