N.B. The email exchange below may have been edited, e.g. to remove content not essential to the main point(s) or to standardize English spelling/grammar.
How would I cite the LRC [i.e. a web page] for an article that I am writing?
An appropriate citation would include the web page URL and the date the page appeared as you describe it (or, perhaps better, the Update time-stamp at the bottom of the web page); that way, if changes are made in the web page, your citation remains accurate if not forever up-to-date, and any subsequent time-stamp warns readers of the potential for change. The same is true w.r.t. any scholarly opinion published anywhere, but of course printed articles cannot be updated -- both a blessing (for citations) and a curse (for authors whose opinions change).