Hyperlink the title if the interview is available online. If the document you are creating is print only, enter the URL after the last full stop.
Always use the interviewers name in the in-text citation. If you are quoting the interviewee make this clear in the text.
Interviewer AA (Day Month Year) Interviewer Name interviews Interviewee Name: Title of interview [type of interview], Name of Publisher, accessed Day Month Year.
Sales L (28 September 2018) Leigh Sales interviews Justin Milne: Justin Milne resigns as ABC chairman [interview transcript], ABC, accessed 4 February 2020.
Sales L (20 December 2019) Leigh Sale interviews Dudley Harrington: Dudley Harrington on the Queensland floods [interview video file], ABC, accessed 4 March 2020.
Mitchell N (16 October 2009) Neil Mitchell interviews Kevin Rudd [radio interview], Radio 3AW.
There are no formal guidelines for citing a source within a source in the Style Manual. These instructions are based on the guidelines in the 6th edition of the Style Manual.
When citing a source you haven't read yourself, but which is referred to in a source you have read.
Lilly (as cited in Maxwell 1999:25) stated that '...'
'...' (Schwartz as cited in Burton, Westen and Kowalski 2009:63)
Maxwell F (1999) Phonology, Brooks Cole, San Francisco.
Burton L, Westen D and Kowalski R (2009) Psychology, Wiley, Milton, Qld.