How should I cite a publication where the author(s) are anonymous (but the organization is not)?
It probably depends on the citation style you have to use.
The Modern Language Association style (MLA) states

An Editorial &amp; Letter to the Editor
Cite as you would any article in a periodical, but include the designators &quot;Editorial&quot; or &quot;Letter&quot; to identify the type of work it is.
&quot;Of Mines and Men.&quot; Editorial. Wall Street Journal east. ed. 24 Oct. 2003: A14. Print.

But the American Psychological Association style (APA) just substitutes the title for the author. See APA blog.

“No Author”: For Sure
In some cases, there truly is no way to pin down who the author is. We treat this as “no author.” In reference citations, we handle this by moving the content’s title into the author position (with no quotation marks around it). This most commonly occurs for wiki entries, dictionary entries, and unattributed website content. In the in-text citation, the title (put inside double quotation marks) likewise takes the place of the author’s name.