APA (7th ed.) Citation

Grebel, E. K., & Guhathakurta, P. (1998). Properties of two new M31 dSph companions from Keck imaging. Arxiv.

Chicago Style (17th ed.) Citation

Grebel, Eva K., and Puragra Guhathakurta. "Properties of Two New M31 DSph Companions from Keck Imaging." Arxiv 1998.

MLA (9th ed.) Citation

Grebel, Eva K., and Puragra Guhathakurta. "Properties of Two New M31 DSph Companions from Keck Imaging." Arxiv, 1998.

Warning: These citations may not always be 100% accurate.