APA (7th ed.) Citation

Werner, K., & Christlieb, N. (2004). Identification of a DO white dwarf and a PG 1159 star in the ESO SN Ia progenitor survey (SPY). Astronomy and astrophysics, 424(2), . https://doi.org/10.1051/0004-6361:20040263

Chicago Style (17th ed.) Citation

Werner, Klaus, and Norbert Christlieb. "Identification of a DO White Dwarf and a PG 1159 Star in the ESO SN Ia Progenitor Survey (SPY)." Astronomy and Astrophysics 424, no. 2 (2004). https://doi.org/10.1051/0004-6361:20040263.

MLA (9th ed.) Citation

Werner, Klaus, and Norbert Christlieb. "Identification of a DO White Dwarf and a PG 1159 Star in the ESO SN Ia Progenitor Survey (SPY)." Astronomy and Astrophysics, vol. 424, no. 2, 2004, https://doi.org/10.1051/0004-6361:20040263.