APA (7th ed.) Citation

Najafi, S. I. Circular-Grating Light-Emitting Sources. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Najafi, S. Iraj. Circular-Grating Light-Emitting Sources. SPIE Digital Library.

MLA (8th ed.) Citation

Najafi, S. Iraj. Circular-Grating Light-Emitting Sources. SPIE Digital Library.

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