To cite a dissertation as per the ASA referencing style, one needs to follow the below format:
Format:
The surname of the author, first name. Year of publication. Dissertation Title. Document type and level. Department, Name of the University.
In-text citation example:
(Grace 2000)
Reference example:
Grace, Steve. 2000. A test to prove the significance of Vegan foods. Doctorate level dissertation. Home Science Department, University of Wales.