Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Crawford, O. G. S. (1961). Castles and churches in the Middle Nile region (Repr.). Sudan Antiquities Service.

Chicago Citation Edition Citation

Crawford, Osbert Guy Stanhope. Castles and Churches in the Middle Nile Region. Repr. Khartoum: Sudan Antiquities Service, 1961.

MLA Citation Edition Citation

Crawford, Osbert Guy Stanhope. Castles and Churches in the Middle Nile Region. Repr. Sudan Antiquities Service, 1961.