Here is the "official" citation for ‘Countering Global Insurgency’:

The Journal of Strategic Studies
Vol. 28, No. 4, August 2005, p. 608.
(Subscription only site)

There are articles by him with this title around the web. Not sure if they are identical to the above.

Here is the version I used,from this site (no details as to source or date).

http://smallwarsjournal.com/documents/kilcullen.pdf

Kilcullen has also written some excellent articles in the Australian Army Journal. Easy to find via google (citations available via Google).