APA (7th ed.) Citation

Gaya, U. I., & Abdullah, A. H. (2008). Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems. Elsevier.

Chicago Style (17th ed.) Citation

Gaya, Umar Ibrahim, and Abdul Halim Abdullah. Heterogeneous Photocatalytic Degradation of Organic Contaminants over Titanium Dioxide: A Review of Fundamentals, Progress and Problems. Elsevier, 2008.

MLA (9th ed.) Citation

Gaya, Umar Ibrahim, and Abdul Halim Abdullah. Heterogeneous Photocatalytic Degradation of Organic Contaminants over Titanium Dioxide: A Review of Fundamentals, Progress and Problems. Elsevier, 2008.

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