Follow the template below to construct a reference for unpublished material in APA 7th style. Include a URL or DOI if available.
In text
(Author, year) OR Author (year)
Reference list
Author, A. (Year, Month Day). [Letter/Diary entry]. Repository. URL or DOI
Example:
(Friend, n.d) OR Friend (n.d)
Friend, M. A. (n.d). [Journal Typescript]. State Library of Western Australia. https://www.slwa.wa.gov.au/sites/default/files/MaryAnnefriendtypescript.pdf.