APA (7th ed.) Citation

Crowther, P. A., Szeifert, T., & Stahl, O. (1997). B 517: Another very late WNL star in M 33*. Astronomy and astrophysics, 318, .

Chicago Style (17th ed.) Citation

Crowther, Paul A., Thomas Szeifert, and Otmar Stahl. "B 517: Another Very Late WNL Star in M 33*." Astronomy and Astrophysics 318 (1997).

MLA (9th ed.) Citation

Crowther, Paul A., et al. "B 517: Another Very Late WNL Star in M 33*." Astronomy and Astrophysics, vol. 318, 1997.