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MLA

Benton, Joshua. "Ad CPMs down 46 percent in last three quarters." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 17 Oct. 2008. Web. 24 Jul. 2021.

APA

Benton, J. (2008, Oct. 17). Ad CPMs down 46 percent in last three quarters. Nieman Journalism Lab. Retrieved July 24, 2021, from https://www.niemanlab.org/2008/10/ad-cpms-down-46-percent-in-last-three-quarters/

Chicago

Benton, Joshua. "Ad CPMs down 46 percent in last three quarters." Nieman Journalism Lab. Last modified October 17, 2008. Accessed July 24, 2021. https://www.niemanlab.org/2008/10/ad-cpms-down-46-percent-in-last-three-quarters/.

Wikipedia

{{cite web
    | url = https://www.niemanlab.org/2008/10/ad-cpms-down-46-percent-in-last-three-quarters/
    | title = Ad CPMs down 46 percent in last three quarters
    | last = Benton
    | first = Joshua
    | work = [[Nieman Journalism Lab]]
    | date = 17 October 2008
    | accessdate = 24 July 2021
    | ref = {{harvid|Benton|2008}}
}}