If you did the interview, list who you interviewed and how the interview was done.
Last Name, First Name. Type of Interview. Date of Interview.
Example:
Bush, George. Telephone interview. 15 Apr. 2008.
Fried, Jolene. Personal interview. 20 June 2009.
Last name, First name Middle initial. "Subject heading." Received by name, Date of message.
Example:
Yates, Corbin. "Re: Quote for the Day!" Received by Daniel D. Williams, 21 June 2009.
Author. “Tweet.” Twitter, date of tweet, time, URL.
Example:
@persiankiwi. “We have report of large street battles in east & west of Tehran now - #Iranelection.” Twitter, 23 June 2009, 11:15 a.m., twitter.com/persiankiwi/status/2293106072.