APA (7th ed.) Citation

Al-Obaidi, A. H., & Shafie, A. A. (2011). The contribution of Ibn Sahl in refraction of light. IIUM Press.

Chicago Style (17th ed.) Citation

Al-Obaidi, Ali Hussien, and Amir Akramin Shafie. The Contribution of Ibn Sahl in Refraction of Light. IIUM Press, 2011.

MLA (8th ed.) Citation

Al-Obaidi, Ali Hussien, and Amir Akramin Shafie. The Contribution of Ibn Sahl in Refraction of Light. IIUM Press, 2011.

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