APA (7th ed.) Citation

El-Said, I., & Parman, A. Geometric concepts in Islamic art.

Chicago Style (17th ed.) Citation

El-Said, Issam, and Aylhse Parman. Geometric Concepts in Islamic Art. London.

MLA (9th ed.) Citation

El-Said, Issam, and Aylhse Parman. Geometric Concepts in Islamic Art.

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