In the 7th edition of the APA Manual of Style, the rules for newsletters and editorials are as follows:
Reference
Newspaper article, online, editorial, group as author:
The Editorial Board. (2020, October 11). Save the planet, win a prize: Rising seas, raging fires, hotter temperatures - and a bit of positivity [Editorial]. The New York Times. https://www.nytimes.com/2020/10/11/opinion/prince-william-earthshot-prize.html
Group Name. (Publication date). Title of article [Letter to the editor]. Title of Newspaper. URL
(Note: Many newspapers have a separate editorial board. Some editorials are written by individuals, and others are written by editorial boards. The byline on this article indicates that the author is The Editorial Board.)
In Text Citation
If the author is not mentioned in your text, add the following:
If the author is noted in the text then leave the author's name out of the in text citation. For example,
Estes (2010) believes that the need for more primary care doctors in the United States can be addressed by employing nurse practitioners.
If you are using an exact quote, you need to include the page number.