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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. 9 Dec. 2019.

APA

Benton, J. (2008, Oct. 17). Ad CPMs down 46 percent in last three quarters. Nieman Journalism Lab. Retrieved December 9, 2019, 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 December 9, 2019. 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 = 9 December 2019
    | ref = {{harvid|Benton|2008}}
}}