APA (7th ed.) Citation

Grebel, E. K., Gallagher, J. S., & Harbeck, D. (2003). The progenitors of dwarf spheroidal galaxies. Astronomische Nachrichten / Supplementary issue, 324, .

Chicago Style (17th ed.) Citation

Grebel, Eva K., John S. Gallagher, and Daniel-Rolf Harbeck. "The Progenitors of Dwarf Spheroidal Galaxies." Astronomische Nachrichten / Supplementary Issue 324 (2003).

MLA (9th ed.) Citation

Grebel, Eva K., et al. "The Progenitors of Dwarf Spheroidal Galaxies." Astronomische Nachrichten / Supplementary Issue, vol. 324, 2003.