Publication manual of the American Psychological Association . How to cite information from the Internet and World Wide Web. American Psychological Association. It is not a plain-old Web page. The article itself usually does not have a URL by which it can be readily accessed.
Proprietary database is the term used to refer to on-line journal and document indexes.
These commercial, subscription, or non-profit services typically provide indexing, abstracts, and text for journal articles. Name of author, editor, compiler, or translator of the text. Last name, First initial. Date of publication or, if no date can be found, date of your on-line search. Title of the document.