Stray, Jonathan. "Who should see what when? Three principles for personalized news." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 25 Jul. 2012. Web. 19 Apr. 2021.
APA
Stray, J. (2012, Jul. 25). Who should see what when? Three principles for personalized news. Nieman Journalism Lab. Retrieved April 19, 2021, from https://www.niemanlab.org/2012/07/who-should-see-what-when-three-principles-for-personalized-news/
Chicago
Stray, Jonathan. "Who should see what when? Three principles for personalized news." Nieman Journalism Lab. Last modified July 25, 2012. Accessed April 19, 2021. https://www.niemanlab.org/2012/07/who-should-see-what-when-three-principles-for-personalized-news/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2012/07/who-should-see-what-when-three-principles-for-personalized-news/
| title = Who should see what when? Three principles for personalized news
| last = Stray
| first = Jonathan
| work = [[Nieman Journalism Lab]]
| date = 25 July 2012
| accessdate = 19 April 2021
| ref = {{harvid|Stray|2012}}
}}
