Template Initials. Author Surname, personal communication, Month DD, YYYY.
Reference list / Bibliography
Personal communications are not included in a reference list or bibliography as they do not provide recoverable data.
In-text citation
In an email dated 11 October 2018, the Taoiseach pointed out that…. The decision was confirmed during a phone interview (L. Varadkar, personal communication, September 13, 2018)