Author Last Name, First Name. Year. "Title of Thesis in Title Case." Type of thesis, Name of institution. URL (if published online).
Print format (unpublished)
Smith, Mark. 2016. "Using the Past: Learning Histories, Public Histories and Possibilities." PhD thesis, University of Waikato.
Published online
Smith, Mark. 2016. "Using the Past: Learning Histories, Public Histories and Possibilities." PhD thesis, University of Waikato. https://hdl.handle.net/10289/9936
... (Smith 2016).
OR
Smith (2016) stated ...