APA (7th ed.) Citation

Appenzeller, I., & Stahl, O. (1997). Spectroscopy of faint distant objects with FORS. The early universe with the VLT.

Chicago Style (17th ed.) Citation

Appenzeller, Immo, and Otmar Stahl. "Spectroscopy of Faint Distant Objects with FORS." The Early Universe with the VLT 1997.

MLA (9th ed.) Citation

Appenzeller, Immo, and Otmar Stahl. "Spectroscopy of Faint Distant Objects with FORS." The Early Universe with the VLT, 1997.

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