Seward, Zachary M.. "How Tribune Co. plans to rid itself of SEO-killing duplicate content." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 8 Sep. 2009. Web. 1 Apr. 2023.
APA
Seward, Z. (2009, Sep. 8). How Tribune Co. plans to rid itself of SEO-killing duplicate content. Nieman Journalism Lab. Retrieved April 1, 2023, from https://www.niemanlab.org/2009/09/how-tribune-co-plans-to-rid-itself-of-seo-killing-duplicate-content/
Chicago
Seward, Zachary M.. "How Tribune Co. plans to rid itself of SEO-killing duplicate content." Nieman Journalism Lab. Last modified September 8, 2009. Accessed April 1, 2023. https://www.niemanlab.org/2009/09/how-tribune-co-plans-to-rid-itself-of-seo-killing-duplicate-content/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2009/09/how-tribune-co-plans-to-rid-itself-of-seo-killing-duplicate-content/
| title = How Tribune Co. plans to rid itself of SEO-killing duplicate content
| last = Seward
| first = Zachary M.
| work = [[Nieman Journalism Lab]]
| date = 8 September 2009
| accessdate = 1 April 2023
| ref = {{harvid|Seward|2009}}
}}
