APA (7th ed.) Citation

Appenzeller, I., & Rupprecht, G. (1992). FORS: The focal reducer for the VLT. The messenger, 67, .

Chicago Style (17th ed.) Citation

Appenzeller, Immo, and Gero Rupprecht. "FORS: The Focal Reducer for the VLT." The Messenger 67 (1992).

MLA (9th ed.) Citation

Appenzeller, Immo, and Gero Rupprecht. "FORS: The Focal Reducer for the VLT." The Messenger, vol. 67, 1992.

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