Author of thesis - family name and initials Year of preparation of thesis, 'Title of thesis in single quotation marks', Award, Institution issuing degree, Location of institution.
In-text reference
Exelby (1997) described the process …
OR
… processing gold (Exelby 1997)
Reference list
Exelby, HRA 1997, ‘Aspects of gold and mineral liberation’, PhD thesis, University of Queensland, Brisbane.
The title is not italicised and is placed in quotation marks.