Cita APA (7a ed.)

Widengren, G. (1955). Muhammad, the Apostle of God and his Ascension (King and Saviour V). A.-B. Lundequistska Bokhandeln [etc.].

Cita Chicago Style (17a ed.)

Widengren, Geo. Muhammad, the Apostle of God and His Ascension (King and Saviour V). Uppsala [etc.]: A.-B. Lundequistska Bokhandeln [etc.], 1955.

Cita MLA (9a ed.)

Widengren, Geo. Muhammad, the Apostle of God and His Ascension (King and Saviour V). A.-B. Lundequistska Bokhandeln [etc.], 1955.