Well, this is how I show the quotations of other posters since, I, too, can't do even the simplest procedure:
"Every time I've asked this in an existing thread, I've never gotten an answer, so forgive me for starting a new thread in order to ask again. I simply cannot figure out how to quote someone with the standard yellow box." -- Nevuela
"You have got me I dont know how to do it either ,It took me donkeys ages to do what I did here ?LOL" -- smiddy
The info cited below is helpful if you are writing a paper and need to quote outside sources; this is above and beyond what we need here when making a casual reference to what a fellow poster has written: