APA (7th ed.) Citation

Schäfer, K. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Schäfer, Klaus. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.

MLA (9th ed.) Citation

Schäfer, Klaus. Spectroscopic Atmospheric Monitoring Techniques. SPIE Digital Library.

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