The page that linked you here is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license (CC-BY-SA). The full text of the CC-BY-SA license is available here.
Most likely, you were linked here from a page that was originally from TV Tropes (tvtropes.org). TV Tropes offered their content under a CC-BY-SA license prior to mid-July, 2012, though they do not apparently use that license now. The page that led you to this page, if it is from TV Tropes, is a version from before this license change.
Please see the edit histories for specific attributions.
Note that, by default, all pages on All The Tropes are CC-BY-SA 4.0 unless otherwise noted. For more information about any of this, see All The Tropes:Copyrights.