APA (7th ed.) Citation

Grebel, E. K., & Guhathakurta, P. (1999). Properties of two new M31 dSph companions from Keck imaging. The astrophysical journal. Part 2, Letters, 511(2), . https://doi.org/10.1086/311852

Chicago Style (17th ed.) Citation

Grebel, Eva K., and Puragra Guhathakurta. "Properties of Two New M31 DSph Companions from Keck Imaging." The Astrophysical Journal. Part 2, Letters 511, no. 2 (1999). https://doi.org/10.1086/311852.

MLA (9th ed.) Citation

Grebel, Eva K., and Puragra Guhathakurta. "Properties of Two New M31 DSph Companions from Keck Imaging." The Astrophysical Journal. Part 2, Letters, vol. 511, no. 2, 1999, https://doi.org/10.1086/311852.