Theses & dissertations can be found in various places; as such, there are a few ways to cite them.
General guidelines:
-Italicize the title of the doctoral dissertation or master's thesis
-Identify the work as a doctoral dissertation or master's thesis in parenthesis after the title
-If the work was found in a database, identify the database and provide the accession or order number in parenthesis at the end of the reference.
For dissertations & theses found in a database:
Nie, Y. (2014). Information-geometric method for multiple neuronal spike data analysis (Doctoral dissertation).
Retrieved from ProQuest Dissertations & Theses database. (Order No. 3645760).
For dissertations & theses found from an institutional database (such as an institutional repository):
Nie, Y. (2014). Information-geometric method for multiple neuronal spike data analysis (Doctoral dissertation).
Retrieved from https://www.uleth.ca/dspace /handle/10133/3528
For dissertations & theses found online (not in an IR):
Ishola, A. G. (2014). Predicting career success using multiple conceptualizations of person-environment fit
(Master's thesis). Retrieved from https://www.myownsite.ca