How do I cite a source that has no author and no title?
Answer
Describe the work in [square brackets] in the author position, and then provide the date and publisher/URL.
Template
[Description of work]. (Date). Source. http://www....
Example
[Cat in the window]. [Online image]. (2021). https://pixnio.com/fauna-animals/cats-and-kittens/cat-looking-window
Create a citation
Template
([Description of work], year)
([Description of work], year, para. #) 
Example
([Description of work], year).
([Cat in the window], 2021, para. #)
For more information and examples, see the APA's blog post on how to incorporate missing information into citations and references.