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

APA Citation Edition Citation

Wilson, R. T. O. (1989). Gazetteer of historical North-West Yemen in the Islamic Period to 1650. G. Olms.

Chicago Citation Edition Citation

Wilson, Robert T. O. Gazetteer of Historical North-West Yemen in the Islamic Period to 1650. Hildesheim: G. Olms, 1989.

MLA Citation Edition Citation

Wilson, Robert T. O. Gazetteer of Historical North-West Yemen in the Islamic Period to 1650. G. Olms, 1989.