APA (7th ed.) Citation

Sallaabee, A. M. M. (2010). The biography of Umar ibn al-Khattaab (1st edition.). Darussalam.

Chicago Style (17th ed.) Citation

Sallaabee, Ali Muhammad Muhammad. The Biography of Umar Ibn Al-Khattaab. 1st edition. Riyadh: Darussalam, 2010.

MLA (9th ed.) Citation

Sallaabee, Ali Muhammad Muhammad. The Biography of Umar Ibn Al-Khattaab. 1st edition. Darussalam, 2010.