As personal communication is not recoverable or archived, it is not included in a reference list, but is acknowledged in-text. Personal communication might include private letters, tutor comments, your own class notes, interviews, telephone conversations, intranet documents, social media, etc. Use the initials and surname of the person with whom you corresponded (or the organisation's name) and as exact a date as possible.
Examples
In-text citations
Narrative
K. W. Wiremu (personal communication, January 18, 2010) commented in his interview that...
Parenthetical
...(K.W. Wiremu, personal communication, January 18, 2010).
Narrative in-text citation within a paragraph
According to Learn and Grow's Early Childhood Centre Policy (personal communication, March 9, 2020), the centre has a strong mandate for ensuring enrolments are inclusive.
Parenthetical in-text citation within a paragraph
"The centre must ensure that children of all ethnicities and socio-economic backgrounds are considered for enrolment" (Learn and Grow, personal communication, March 9, 2020).