APA (7th ed.) Citation

Cohen, J. G., & Christlieb, N. (2008). New extremely metal-poor stars in the galactic halo. The astrophysical journal, 672(1), . https://doi.org/10.1086/523638

Chicago Style (17th ed.) Citation

Cohen, Judith G., and Norbert Christlieb. "New Extremely Metal-poor Stars in the Galactic Halo." The Astrophysical Journal 672, no. 1 (2008). https://doi.org/10.1086/523638.

MLA (9th ed.) Citation

Cohen, Judith G., and Norbert Christlieb. "New Extremely Metal-poor Stars in the Galactic Halo." The Astrophysical Journal, vol. 672, no. 1, 2008, https://doi.org/10.1086/523638.

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