If you click the more information drop down it says that the license is Creative Commons Attribution v4.0 International which seems to be the license on this website https://creativecommons.org/licenses/by/4.0/.
If you click the more information drop down it says that the license is Creative Commons Attribution v4.0 International which seems to be the license on this website https://creativecommons.org/licenses/by/4.0/.