How do I reference and cite a post on X (formerly Twitter)?
Answer
Create a reference
Template 
Author(s) last name, Initial. [@username]. (Year, Month Day). First 20 words of post [Description of any media within the post] [Post]. X. https://twitter.com/...
Example
Canada [@Canada]. (2019, October 31). Happy #Halloween 
[Animated GIF] [Post]. X. https://twitter.com/Canada/status/1189910506536079360
Create a citation
Template
(Author(s) last name, Year)
(Author(s) last name, Year, p. #)
Example
(Canada, 2019)
(Canada, 2019, p. 2)
See the APA 7 website for more information.