@misc{Creative_Commons_2009,
 author = {{Creative Commons}},
 editor = {{Creative Commons}},
 year = {2009},
 title = {Namensnennung - Weitergabe unter gleichen Bedingungen 3.0 Deutschland},
 url = {https://creativecommons.org/licenses/by-sa/3.0/de/},
 urldate = {2015-06-23}
}