APA (7th ed.) Citation

Driel, G. v. (1999). The size of institutional Umma. Archiv für Orientforschung, 46/47, 80-91.

Chicago Style (17th ed.) Citation

Driel, Govert van. "The Size of Institutional Umma." Archiv Für Orientforschung 46/47 (1999): 80-91.

MLA (8th ed.) Citation

Driel, Govert van. "The Size of Institutional Umma." Archiv Für Orientforschung, vol. 46/47, 1999, pp. 80-91.

Warning: These citations may not always be 100% accurate.