Here's a good example of why they avoid giving citations. They quote this:
Now, as it turns out, Time Magazine has their back catalogue in a searchable database, And here's the context in which that quote was made:
And then, way down the first page, we find:
They've combined two different passages into one, to make it seem as if the thoughts are directed combined, even though one of them is clearly paraphrasing other people. Also, note that in the part about "the next hundred years", they didn't even quote the whole sentence, because it makes it clear that this is nothing more than his guess, and a guess that he admits is "optimistic" and is possibly wrong. The rest of the article is basically a history of history (

), detailing some of the changes he's seen that leads him to this belief. There is nothing to indicate that this is the desired outcome of any sort of plan. He then sums up near the end:
Yep, these NWO Thugs sound like a group of right bastards, they do.
http://www.time.com/time/magazine/article/0,9171,976015-1,00.html
See? How hard was it to provide a cite? Now, go and see if I'm blowing smoke out my ass. Unlike some in this "debate", I'm not afraid of independent confirmation of my quotes.
Now, one must wonder why the provided the cite for this one quote, and not the others. It might be because Wikipedia provides it, and they'd look way too guilty trying to hide it.
http://en.wikipedia.org/wiki/Strobe_Talbott#Quotes