Jones, R. B. (1985, August 22). Interview by B. A. Tate [Tape recording]. Pacific Northwest Collection. Allen Library, University of Washington, Seattle, WA.
Lars, V. J. (1955). An oral history with Paul J. Burke/Interviewer: Samuel R. Ladds. Pacific Northwest Collection. Allen Library, University of Washington, Seattle, WA.
In APA style, do not cite personal communications (interviews, telephone conversations, emails) in your reference list since they aren't published or archived. Just cite these sources in-text:
She indicated that it was more difficult to find a job there (J. Manterello, personal communication, June 2, 2009).