For serials available from multiple providers, cite the provider version used as the basis of description as a part of the source of title note.
Also cite provider in latest issue consulted note if different from source of title note.
For serials available in multiple formats, include the format used for description
Title from table of contents (publisher's Web site, viewed June 22, 2003).
500 Title from PDF title screen (JSTOR, viewed May 29, 2003).