APA (7th ed.) Citation

Koch-Hansen, A., & Grebel, E. K. (2008). The highly unusual chemical composition of the Hercules dwarf spheroidal galaxy. Arxiv.

Chicago Style (17th ed.) Citation

Koch-Hansen, Andreas, and Eva K. Grebel. "The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy." Arxiv 2008.

MLA (9th ed.) Citation

Koch-Hansen, Andreas, and Eva K. Grebel. "The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy." Arxiv, 2008.