APA (7th ed.) Citation

Richter, P., Appenzeller, I., & Mandel, H. (1998). ORFEUS II echelle spectra: Detection of H_2 absorption in SMC gas. Astronomy and astrophysics, 338(1), .

Chicago Style (17th ed.) Citation

Richter, Philipp, Immo Appenzeller, and Holger Mandel. "ORFEUS II Echelle Spectra: Detection of H_2 Absorption in SMC Gas." Astronomy and Astrophysics 338, no. 1 (1998).

MLA (9th ed.) Citation

Richter, Philipp, et al. "ORFEUS II Echelle Spectra: Detection of H_2 Absorption in SMC Gas." Astronomy and Astrophysics, vol. 338, no. 1, 1998.