Citazione Stile APA (7a Edizione)

WELLHAUSEN, J. (1975). The Religio-political factions in early Islam,. North-Holland.

Citazione stile Chigago Style (17a edizione)

WELLHAUSEN, Julius. The Religio-political Factions in Early Islam,. Amsterdam: North-Holland, 1975.

Citatione MLA (9a ed.)

WELLHAUSEN, Julius. The Religio-political Factions in Early Islam,. North-Holland, 1975.