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. 5 Dec. 2023.
APA
Beckett, L. (2009, Jul. 22). Ad Progress: Liberal sites plan an ad network without the middleman. Nieman Journalism Lab. Retrieved December 5, 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 December 5, 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 = 5 December 2023
| ref = {{harvid|Beckett|2009}}
}}
