APA (7th ed.) Citation

Napiwotzki, R., Lisker, T., Christlieb, N., & Homeier, D. (2004). Close binary EHB stars from SPY. Astrophysics and space science, 291(3/4), .

Chicago Style (17th ed.) Citation

Napiwotzki, Ralf, Thorsten Lisker, Norbert Christlieb, and Derek Homeier. "Close Binary EHB Stars from SPY." Astrophysics and Space Science 291, no. 3/4 (2004).

MLA (9th ed.) Citation

Napiwotzki, Ralf, et al. "Close Binary EHB Stars from SPY." Astrophysics and Space Science, vol. 291, no. 3/4, 2004.