Q. How do I cite an interview with Mike Ward, Business Manager for St. John the Baptist Church in Baldwin Park, CA?

A:  Evelyn:     Charles,  RE: How to CITE an INFORMAL INTERVIEW  not for media or publication:

YOU DO NOT NEED A CITATION REFERENCE IN YOUR REFERENCE LIST at the end FOR AN INFORMAL "PERSONAL COMMUNICATION"

Continuing from the above search here is one method in APA:

Since this was a "personal interview" you can find instructions in the 7th edition of your APA manual

as

1. a "personal communication " on pages 65, 260-261 (8.9) is the section

OR

2. as a "personal interview" on page 259 (8.7) is the section 

the type of interview it seems you are doing is not a published interview and it is not an in-depth research type interview

so I think yours might fall into the category of a "personal communication".  When a recoverable source is not available.

There are two ways to cite "in- text" in these cases in the APA 7 style manual (see page 60 in your APA 7 Manual:

1. Narrative citation: M. Ward (personal communication, September 11, 2022) 

2. Parenthetical citation: (M. Ward, personal communication, September 11,2022)

Joseph Gibaldi  wrote in the MLA Style Manual & Lists an Example: found on page 307 Section: B.1. 7

g. An Interview  (5.8.7) 

"personal interview, 22 July 1993"

You should get yourself an APA and MLA handbook as an essential to research in higher education.

- Evelyn