Ǧāmiʿat al-Azhar, Faculty of Science, International Conference on the Geology of the Arab World, & Youssef, E. A. A. (2000). Geology of the Arab world. Geology of the Arab world.
Chicago Style (17th ed.) CitationǦāmiʿat al-Azhar, Faculty of Science, International Conference on the Geology of the Arab World, and El-Sayed A. A. Youssef. "Geology of the Arab World." Geology of the Arab World 2000.
MLA (9th ed.) CitationǦāmiʿat al-Azhar, Faculty of Science, et al. "Geology of the Arab World." Geology of the Arab World, 2000.
Warning: These citations may not always be 100% accurate.