Articles in papers can be used from different sources, namely, magazines, journals, blogs, websites, and governmental resources among others, either printed or online. Despite this variety, APA style has set rules for their citation.

Magazines

Printed

Author, A. A. (Year, month date). Article title. Magazine Name, volume(issue), pages.

In-text citation

According to Author (year), …. or (Author, year).

Online

Author, A. A. (Year, month date). Article title. Magazine Name. Retrieved from url of home page (recommended rather than url of the article page)
Example
Chang, K. (2019, December 22). Boeing Starliner lands in New Mexico after clock error prompts early return. The New York Times. Retrieved from https://www.nytimes.com/2019/12/22/science/boeing-starliner-landing.html

Academic professional journal articles

One author

Author, A. A. (Year). Article title. Journal Name, volume(issue), pages. doi: … if available or Retrieved from for online journal articles or Available from if access requires subscription or payment for the source

In-text citation

As Author (year) writes or … (Author, year)

From two to five authors

Author, A. A, Author, B. B., Author, C. C., Author, D. D., & Author, E. E. (Year). Article title. Journal Name, volume(issue), pages. doi: … if available

or use Retrieved from for online journal articles or Available from if access requires subscription or payment for the source

In-text citation

List all five authors the first time they appear in the text and in the next citations use the last name of the first author et al.:

(Author, Author, Author, Author, & Author, year)

then

(Author et al., year)

The date of publication is not known

When the date is not known, the following format is used:

Author (n.d.) or

(Author, n.d.).

Website articles

Author, A. A. (year, month date). Article title [Source type if available, for example, PDF file]. Retrieved from url

Blog posts

Author, A. A. (Year, month date). Blog post title [Web log post]. Retrieved from url

Author, A. A. (Year, month date). Blog post title [Web log comment]. Retrieved from url

For proper APA formatting, it is necessary to focus on details like commas, periods, and so on, not only in articles but also books like here https://eessays.co/2017/04/29/apa-style/