Ellis, Justin. "Digital ad revenues hit landmark high in first half of 2014." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 21 Oct. 2014. Web. 31 Mar. 2025.
APA
Ellis, J. (2014, Oct. 21). Digital ad revenues hit landmark high in first half of 2014. Nieman Journalism Lab. Retrieved March 31, 2025, from https://www.niemanlab.org/reading/digital-ad-revenues-hit-landmark-high-in-first-half-high-of-2014-surging-to-23-1-billion-according-to-iab-internet-advertising-revenue-report/
Chicago
Ellis, Justin. "Digital ad revenues hit landmark high in first half of 2014." Nieman Journalism Lab. Last modified October 21, 2014. Accessed March 31, 2025. https://www.niemanlab.org/reading/digital-ad-revenues-hit-landmark-high-in-first-half-high-of-2014-surging-to-23-1-billion-according-to-iab-internet-advertising-revenue-report/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/reading/digital-ad-revenues-hit-landmark-high-in-first-half-high-of-2014-surging-to-23-1-billion-according-to-iab-internet-advertising-revenue-report/
| title = Digital ad revenues hit landmark high in first half of 2014
| last = Ellis
| first = Justin
| work = [[Nieman Journalism Lab]]
| date = 21 October 2014
| accessdate = 31 March 2025
| ref = {{harvid|Ellis|2014}}
}}
