Arellano Ferro, A., & Giannini, E. (2013). A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry. Monthly notices of the Royal Astronomical Society, 434(2), . https://doi.org/ 10.1093/mnras/stt1080
Chicago Style (17th ed.) CitationArellano Ferro, Armando, and Emanuela Giannini. "A Detailed Census of Variable Stars in the Globular Cluster NGC 6333 (M9) from CCD Differential Photometry." Monthly Notices of the Royal Astronomical Society 434, no. 2 (2013). https://doi.org/ 10.1093/mnras/stt1080.
MLA (9th ed.) CitationArellano Ferro, Armando, and Emanuela Giannini. "A Detailed Census of Variable Stars in the Globular Cluster NGC 6333 (M9) from CCD Differential Photometry." Monthly Notices of the Royal Astronomical Society, vol. 434, no. 2, 2013, https://doi.org/ 10.1093/mnras/stt1080.