APA (7th ed.) Citation

Thidemann Hansen, T., Hansen, C. J., & Christlieb, N. (2015). An elemental assay of very, extremely, and ultra-metal-poor stars. The astrophysical journal, 807(2), . https://doi.org/10.1088/0004-637X/807/2/173

Chicago Style (17th ed.) Citation

Thidemann Hansen, Terese, Camilla Juul Hansen, and Norbert Christlieb. "An Elemental Assay of Very, Extremely, and Ultra-metal-poor Stars." The Astrophysical Journal 807, no. 2 (2015). https://doi.org/10.1088/0004-637X/807/2/173.

MLA (9th ed.) Citation

Thidemann Hansen, Terese, et al. "An Elemental Assay of Very, Extremely, and Ultra-metal-poor Stars." The Astrophysical Journal, vol. 807, no. 2, 2015, https://doi.org/10.1088/0004-637X/807/2/173.