Elkin, V. G., Kurtz, D. W., & Mathys, G. (2015). Time resolved spectroscopy of the cool Ap star HD 213637. Monthly Notices of the Royal Astronomical Society, 446(4), 4126. https://doi.org/10.1093/mnras/stu2406
Chicago Style (17th ed.) CitationElkin, V. G., D. W. Kurtz, and G. Mathys. "Time Resolved Spectroscopy of the Cool Ap Star HD 213637." Monthly Notices of the Royal Astronomical Society 446, no. 4 (2015): 4126. https://doi.org/10.1093/mnras/stu2406.
MLA (9th ed.) CitationElkin, V. G., et al. "Time Resolved Spectroscopy of the Cool Ap Star HD 213637." Monthly Notices of the Royal Astronomical Society, vol. 446, no. 4, 2015, p. 4126, https://doi.org/10.1093/mnras/stu2406.
Warning: These citations may not always be 100% accurate.