APA (7th ed.) Citation

Roychoudhuri, C. The Nature of Light: What are Photons? IV. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Roychoudhuri, Chandrasekhar. The Nature of Light: What Are Photons? IV. SPIE Digital Library.

MLA (8th ed.) Citation

Roychoudhuri, Chandrasekhar. The Nature of Light: What Are Photons? IV. SPIE Digital Library.

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