Citing Hawthorne Stories Read Online?

Hawthorne, Nathaniel.  “Rappaccini’s Daughter.” Electronic Text Center.  University of Virginia Library. 16 Feb. 2005. <http://etext.lib.virginia.edu/toc/modeng/public/HawRapp.html>

*You obviously would replace "16 Feb. 2005" with the date on which you had read the story at this online site.  Why?  Online web pages can be edited without notice on any given day, so the day on which you viewed it is crucial.