APA (7th ed.) Citation

Spite, M., Caffau, E., & Ludwig, H. (2012). NLTE determination of the calcium abundance and 3D corrections in extremely metal-poor stars. Astronomy and astrophysics, 541(5), .

Chicago Style (17th ed.) Citation

Spite, Monique, Elisabetta Caffau, and Hans-Günter Ludwig. "NLTE Determination of the Calcium Abundance and 3D Corrections in Extremely Metal-poor Stars." Astronomy and Astrophysics 541, no. 5 (2012).

MLA (9th ed.) Citation

Spite, Monique, et al. "NLTE Determination of the Calcium Abundance and 3D Corrections in Extremely Metal-poor Stars." Astronomy and Astrophysics, vol. 541, no. 5, 2012.