APA (7th ed.) Citation

Emens, F. Photo-Optical Systems Evaluation. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Emens, Fred. Photo-Optical Systems Evaluation. SPIE Digital Library.

MLA (8th ed.) Citation

Emens, Fred. Photo-Optical Systems Evaluation. SPIE Digital Library.

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