Cita APA (7a ed.)

Xu, J. (2010). Lecture notes on mathematical olympiad courses: For junior section. World Scientific.

Cita Chicago Style (17a ed.)

Xu, Jiagu. Lecture Notes on Mathematical Olympiad Courses: For Junior Section. Singapore ; Hackensack, N.J.: World Scientific, 2010.

Cita MLA (8a ed.)

Xu, Jiagu. Lecture Notes on Mathematical Olympiad Courses: For Junior Section. World Scientific, 2010.