APA (7th ed.) Citation

Koch-Hansen, A., Feltzing, S., Adén, D., & Matteucci, F. (2013). Neutron-capture element deficiency of the Hercules dwarf spheroidal galaxy. Astronomy and astrophysics, 554, . https://doi.org/10.1051/0004-6361/201220742

Chicago Style (17th ed.) Citation

Koch-Hansen, Andreas, Sofia Feltzing, D. Adén, and F. Matteucci. "Neutron-capture Element Deficiency of the Hercules Dwarf Spheroidal Galaxy." Astronomy and Astrophysics 554 (2013). https://doi.org/10.1051/0004-6361/201220742.

MLA (9th ed.) Citation

Koch-Hansen, Andreas, et al. "Neutron-capture Element Deficiency of the Hercules Dwarf Spheroidal Galaxy." Astronomy and Astrophysics, vol. 554, 2013, https://doi.org/10.1051/0004-6361/201220742.

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