Ellis, Justin. "The cost of mobile ads on 50 news websites." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 1 Oct. 2015. Web. 28 Mar. 2025.
APA
Ellis, J. (2015, Oct. 1). The cost of mobile ads on 50 news websites. Nieman Journalism Lab. Retrieved March 28, 2025, from https://www.niemanlab.org/reading/the-cost-of-mobile-ads-on-50-news-websites/
Chicago
Ellis, Justin. "The cost of mobile ads on 50 news websites." Nieman Journalism Lab. Last modified October 1, 2015. Accessed March 28, 2025. https://www.niemanlab.org/reading/the-cost-of-mobile-ads-on-50-news-websites/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/reading/the-cost-of-mobile-ads-on-50-news-websites/
| title = The cost of mobile ads on 50 news websites
| last = Ellis
| first = Justin
| work = [[Nieman Journalism Lab]]
| date = 1 October 2015
| accessdate = 28 March 2025
| ref = {{harvid|Ellis|2015}}
}}
