APA (7th ed.) Citation

Norris, J. E., & Christlieb, N. (2013). The most metal-poor stars: IV. the two populations with [Fe/H] <~ -3.0. The astrophysical journal, 792(1), .

Chicago Style (17th ed.) Citation

Norris, John E., and Norbert Christlieb. "The Most Metal-poor Stars: IV. the Two Populations with [Fe/H] <~ -3.0." The Astrophysical Journal 792, no. 1 (2013).

MLA (9th ed.) Citation

Norris, John E., and Norbert Christlieb. "The Most Metal-poor Stars: IV. the Two Populations with [Fe/H] <~ -3.0." The Astrophysical Journal, vol. 792, no. 1, 2013.