Name. Thesis title: [D]. Venue: university name, year.

Example:

1 Zhang Zhusheng. Invariant set of differential semi-dynamic system: [D]. Beijing: Institute of Mathematics, Department of Mathematics, Peking University, 1983.

2 Keltens. R.B. Study on Infrared Spectra of Solid Oxygen [D]. Berkeley: University of California, 1965

In addition, different journals have different requirements for reference formats.