Write the year of publication after the author(s)’ name(s) in the brief citation. In APA 7, we display it like this:
(Molloy, 2023).
If the source you are referencing is missing a year of publication, use the letters 'n.d.' instead of a year in your in-text citation. In your Reference list, use the words 'n.d.' in place of the year of publication.
The rest of the reference should follow the usual style for the type of source you are citing.
(Molloy, n.d.).
Molloy, J. (n.d.). Holding back time. Moon Press.
If the date can reasonably be approximated, put ca. (for circa) followed by the year, inside brackets.
O’Dowd (ca.2010) has found that….
For works from a reference category that includes the month and day along with the year (e.g. newspaper and magazine articles):
In the in-text citation, just show the author(s) and year of publication.
(McGuinnness, 2021)
In the Reference List, put the year first, followed by a comma, and then the month and date.
McGuinness, K. (2021, September 25). 'I owe my life to potatoes' - meet TikTok sensation Poppy O'Toole. The Irish Independent. https://www.independent.ie/life/i-owe-my-life-to-potatoes-meet-tiktok-sensation-poppy-otoole-40879237.html