Beckett, Lois. "Ad Progress: Liberal sites plan an ad network without the middleman." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 22 Jul. 2009. Web. 20 Sep. 2023.
APA
Beckett, L. (2009, Jul. 22). Ad Progress: Liberal sites plan an ad network without the middleman. Nieman Journalism Lab. Retrieved September 20, 2023, from https://www.niemanlab.org/2009/07/ad-progress-liberal-sites-plan-an-ad-network-without-the-middleman/
Chicago
Beckett, Lois. "Ad Progress: Liberal sites plan an ad network without the middleman." Nieman Journalism Lab. Last modified July 22, 2009. Accessed September 20, 2023. https://www.niemanlab.org/2009/07/ad-progress-liberal-sites-plan-an-ad-network-without-the-middleman/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2009/07/ad-progress-liberal-sites-plan-an-ad-network-without-the-middleman/
| title = Ad Progress: Liberal sites plan an ad network without the middleman
| last = Beckett
| first = Lois
| work = [[Nieman Journalism Lab]]
| date = 22 July 2009
| accessdate = 20 September 2023
| ref = {{harvid|Beckett|2009}}
}}
