If you have information like the article author, date, or general topic, you can track down these references in various ways. Citations usually include at least the author's last name and date, for example: (Kruger 2005).
You can use the drop-down fields in PsycINFO's search to focus on the author and date information:
You can then add in keywords related to the general topic, to narrow down further:
To find works that cite a particular article, you can use the Cited References search to look up the article, and then see what other articles are citing it.