Begin your citation with the mode of communication, followed by a comma. Examples include "e-mail," "letter to author," personal interview." Make sure to place your citation within parentheses.
End the citation with the date of communication, followed by an ending parenthetical mark. The date should appear in the following format: Month Day, Year. The completed citation should appear as follows:
(personal interview, August 9, 1940)
Place the citation before the quoted text. For example:
John Brown states (personal interview, August 9, 1940) that "...."