Periodicals--sources that are published regularly, like magazines, journals, or newspapers--often offer what is known as a DOI or "Direct Object Identifier" that establishes a stable reference point for the source material, particularly in the area of electronic or virtual sources.
Citing a Source with a DOI Provided
If a DOI is provided by the publisher, it should be used in the APA Reference List citation. Here is an example of a source with a DOI provided:
Jones, G., & Smith, S. (2022). How to use APA. APA Style Magazine 6(1), 11–16.
Citing a Source with No DOI Provided
If a publisher does not provide a DOI for an electronic source, APA recommends including a stable URL--or link--that allows readers to locate the source material online. Here is an example of a journal article without a DOI but with a stable URL:
Harris, J. (2021). Advice from the APA front lines: Researching and writing
like a professional. Journal of APA Style, 57(1), 76-83.