Create an in-text citation by positioning a set of parenthesis at the end of the sentence that references the interview or email communication.
Insert the name of the person, the words "personal communication" and the full date of the interview or email -- in that order -- within the parenthesis. The person's name should include the first name initial followed by the last name.
An example of this citation would read as, "(R. Morgan, personal communication, September 13, 2010)."
Insert the missing source information in the parenthesis if some of the required information is already included in your sentence. For example, if you include the source's name in the sentence, you do not need to also add it in the parenthetical citation.
A sample of this citation would read as, "According to R. Morgan, the effects of financial stress on the body can be serious (personal communication, September, 13, 2010)."
End your referenced sentence with the period punctuation on the outside of the final parenthesis in the citation. The citation should appear as part of the sentence, not outside of it.