Unpublished interviews and personal communications (conversations, emails, letters, etc.) are generally cited in a footnote only; they are rarely included in the Bibliography.
1.Firstname Lastname, interview by Firstname Lastname, Title of Broadcasting Program, Publisher, date.
Generally the same as the full note. Can list Interviewee/Email Sender by Surname only.
Lastname Firstname. Title of Broadcasting Program. By Firstname Lastname. Publisher, date.
Natasha Trethewy, “Dissection and Other Kinds of Love,” interview by Lindsey Alexander, Sycamore Review, no. 24 (Winter/Spring 2012): 35.
Carrie Rodriguez, interview by Cuz Frost, Acoustic Café, 88.3 WGWG FM, November 20, 2008.
1. Constance Conlon, email message to author, April 17, 2000.
1. John Powell to Grapevine mailing list, April 23, 1998, no. 83, http://www.electriceditors.net/grapevine/archives.php.