APA (7th ed.) Citation

Grebel, E. K., Gallagher, J. S., & Harbeck, D. (2003). The progenitors of dwarf spheroidal galaxies. The astronomical journal, 125(4), . https://doi.org/10.1086/368363

Chicago Style (17th ed.) Citation

Grebel, Eva K., John S. Gallagher, and Daniel-Rolf Harbeck. "The Progenitors of Dwarf Spheroidal Galaxies." The Astronomical Journal 125, no. 4 (2003). https://doi.org/10.1086/368363.

MLA (9th ed.) Citation

Grebel, Eva K., et al. "The Progenitors of Dwarf Spheroidal Galaxies." The Astronomical Journal, vol. 125, no. 4, 2003, https://doi.org/10.1086/368363.