If you need to add extra information that's relevant but would disrupt the flow of your paper, you can use an endnote instead of a footnote. These are similar in function but appear at the end of the paper, rather than at the bottom of the page. However, even then, the core citation (author, date) would still be in the main text. Only supplementary material would be in the endnote.
In short: There's no correct format for an APA citation footnote because APA style doesn't use footnotes for citations. Use parenthetical citations in the text and a reference list at the end.