APA (7th ed.) Citation

Mattes, H. (1989). Omar Hassan Ahmad al-Bashir ('Umar Hasan Ahmad al-Bashir). Orient, 30(4), 503-509.

Chicago Style (17th ed.) Citation

Mattes, Hanspeter. "Omar Hassan Ahmad Al-Bashir ('Umar Hasan Ahmad Al-Bashir)." Orient 30, no. 4 (1989): 503-509.

MLA (8th ed.) Citation

Mattes, Hanspeter. "Omar Hassan Ahmad Al-Bashir ('Umar Hasan Ahmad Al-Bashir)." Orient, vol. 30, no. 4, 1989, pp. 503-509.

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