APA (7th ed.) Citation

Grebel, E. K., Brandner, W., & Chu, Y. (1997). Sher #25 in NGC 3603: Galactic twin of SN 1987 A's progenitor? Bulletin of the American Astronomical Society, 28, .

Chicago Style (17th ed.) Citation

Grebel, Eva K., Wolfgang Brandner, and You-Hua Chu. "Sher #25 in NGC 3603: Galactic Twin of SN 1987 A's Progenitor?" Bulletin of the American Astronomical Society 28 (1997).

MLA (9th ed.) Citation

Grebel, Eva K., et al. "Sher #25 in NGC 3603: Galactic Twin of SN 1987 A's Progenitor?" Bulletin of the American Astronomical Society, vol. 28, 1997.