Aghanim, N., & Schäfer, B. M. (2011). Planck early results: XXVI. Detection with Planck and confirmation by XMM-Newton of PLCK G266.6-27.3, an exceptionally X-ray luminous and massive galaxy cluster at at z~1. Astronomy and astrophysics, 536, . https://doi.org/10.1051/0004-6361/201117430
Chicago Style (17th ed.) CitationAghanim, Nabila, and Björn Malte Schäfer. "Planck Early Results: XXVI. Detection with Planck and Confirmation by XMM-Newton of PLCK G266.6-27.3, an Exceptionally X-ray Luminous and Massive Galaxy Cluster at at Z~1." Astronomy and Astrophysics 536 (2011). https://doi.org/10.1051/0004-6361/201117430.
MLA (9th ed.) CitationAghanim, Nabila, and Björn Malte Schäfer. "Planck Early Results: XXVI. Detection with Planck and Confirmation by XMM-Newton of PLCK G266.6-27.3, an Exceptionally X-ray Luminous and Massive Galaxy Cluster at at Z~1." Astronomy and Astrophysics, vol. 536, 2011, https://doi.org/10.1051/0004-6361/201117430.