APA (7th ed.) Citation

Yan, F., Henning, T., Quirrenbach, A., & Khalafinejad, S. (2019). Ionized calcium in the atmospheres of two ultra-hot exoplanets WASP-33b and KELT-9b. Astronomy and astrophysics, 632, . https://doi.org/10.1051/0004-6361/201936396

Chicago Style (17th ed.) Citation

Yan, Fei, Thomas Henning, Andreas Quirrenbach, and Sara Khalafinejad. "Ionized Calcium in the Atmospheres of Two Ultra-hot Exoplanets WASP-33b and KELT-9b." Astronomy and Astrophysics 632 (2019). https://doi.org/10.1051/0004-6361/201936396.

MLA (9th ed.) Citation

Yan, Fei, et al. "Ionized Calcium in the Atmospheres of Two Ultra-hot Exoplanets WASP-33b and KELT-9b." Astronomy and Astrophysics, vol. 632, 2019, https://doi.org/10.1051/0004-6361/201936396.