This is the new server for GMOD.org. Please let us know if you notice anything weird while it's getting broken in.
NCBI published some guidelines to cite a wiki: http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=citmed&part=A61024#A61262
What is the best way to cite GMOD as a wiki? What are the Place of publication and publication start date?