NB: Personal communication is mentioned in-text only, not in your reference list
No entry appears in the reference list.
Name the speaker, their title, the type of communication (eg email, letter, etc) and the date in text.
Professor Mary Croft (James Cook University) stated in an email on 1 April, 2021, that her own studies have shown that social media has contributed to a rise in social anxiety
"My own research has indicated that there is a correlation between the increasing diagnoses of social anxiety and social media use" (M Croft 2021, pers. comm., 1 April).