, . "Email newsletters have a measurement problem." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 21 Nov. 2016. Web. 10 Jan. 2025.
APA
, . (2016, Nov. 21). Email newsletters have a measurement problem. Nieman Journalism Lab. Retrieved January 10, 2025, from https://www.niemanlab.org/reading/email-newsletters-have-a-measurement-problem/
Chicago
, . "Email newsletters have a measurement problem." Nieman Journalism Lab. Last modified November 21, 2016. Accessed January 10, 2025. https://www.niemanlab.org/reading/email-newsletters-have-a-measurement-problem/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/reading/email-newsletters-have-a-measurement-problem/
| title = Email newsletters have a measurement problem
| last =
| first =
| work = [[Nieman Journalism Lab]]
| date = 21 November 2016
| accessdate = 10 January 2025
| ref = {{harvid||2016}}
}}
