SAILS is published under a CC-BY-NC-ND license and should be cited as
Muysken, Pieter, Harald Hammarström, Olga Krasnoukhova, Neele Müller, Joshua Birchall, Simon van de Kerke, Loretta O'Connor, Swintha Danielsen, Rik van Gijn & George Saad. 2014. South American Indigenous Language Structures (SAILS) Online. Leipzig: Online Publication of the Max Planck Institute for Evolutionary Anthropology. (Available at http://sails.clld.org)