Östreicher, R., & Seifert, W. (1987). Observations of magnetic hydrogen lines in the white dwarf GD 229. Astronomy and astrophysics, 173(2), .
Chicago Style (17th ed.) CitationÖstreicher, Roland, and Walter Seifert. "Observations of Magnetic Hydrogen Lines in the White Dwarf GD 229." Astronomy and Astrophysics 173, no. 2 (1987).
MLA (9th ed.) CitationÖstreicher, Roland, and Walter Seifert. "Observations of Magnetic Hydrogen Lines in the White Dwarf GD 229." Astronomy and Astrophysics, vol. 173, no. 2, 1987.
Warning: These citations may not always be 100% accurate.