APA (7th ed.) Citation

Stahl, O., Seifert, W., & Fürtig, W. (1997). Spectroscopy with FORS. Wide field spectroscopy.

Chicago Style (17th ed.) Citation

Stahl, Otmar, Walter Seifert, and Walter Fürtig. "Spectroscopy with FORS." Wide Field Spectroscopy 1997.

MLA (9th ed.) Citation

Stahl, Otmar, et al. "Spectroscopy with FORS." Wide Field Spectroscopy, 1997.

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