Please use the following citation when referring to the Mouse Models of Human Cancer Database:
Krupke DM; Begley DA; Sundberg JP; Bult CJ; Eppig JT, The Mouse Tumor Biology Database., Nat Rev Cancer 2008 Jun;8(6):459-65.
If you wish to cite a specific area of MMHCdb we suggest a format similar to the following example:
Some tumor data for this paper were retrieved from the Mouse Models of Human Cancer Database (MMHCdb), Mouse Genome Informatics, The Jackson Laboratory, Bar Harbor, Maine. World Wide Web (URL: http://tumor.informatics.jax.org). (October, 1998 i.e., the date you retrieved the data cited).