APA (7th ed.) Citation

Hahlweg, C. Novel Optical Systems Design and Optimization XXI. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Hahlweg, Cornelius. Novel Optical Systems Design and Optimization XXI. SPIE Digital Library.

MLA (8th ed.) Citation

Hahlweg, Cornelius. Novel Optical Systems Design and Optimization XXI. SPIE Digital Library.

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