APA-Zitierstil (7. Ausg.)

Spite, M., Caffau, E., & Ludwig, H. (2011). First stars: XIV. Sulfur abundances in extremely metal-poor stars. Astronomy and astrophysics, 528, .

Chicago-Zitierstil (17. Ausg.)

Spite, Monique, Elisabetta Caffau, und Hans-Günter Ludwig. "First Stars: XIV. Sulfur Abundances in Extremely Metal-poor Stars." Astronomy and Astrophysics 528 (2011).

MLA-Zitierstil (9. Ausg.)

Spite, Monique, et al. "First Stars: XIV. Sulfur Abundances in Extremely Metal-poor Stars." Astronomy and Astrophysics, vol. 528, 2011.