UpToDate (as suggested by its publishers)
Cite the UpToDate topic review as a chapter in a book titled UpToDate, edited by T. W. Post, published by UpToDate in Waltham, MA. As a CD-ROM or online service, there are no page numbers to cite. Since UpToDate is released every four months, the publication year for any topic review should be the current year.
Example: Bichet, D. G. (2014). Diagnosis of polyuria and diabetes insipidus. In T. Post (Ed.), UpToDate. Waltham, Mass.: UpToDate. Retrieved from www.uptodate.com
