APA (7th ed.) Citation

Šen, A. C. (2016). Geometry in problems. MSRI Mathematical Sciences Research Institute.

Chicago Style (17th ed.) Citation

Šen, Aleksandr Ch. Geometry in Problems. Berkeley, California: MSRI Mathematical Sciences Research Institute, 2016.

MLA (9th ed.) Citation

Šen, Aleksandr Ch. Geometry in Problems. MSRI Mathematical Sciences Research Institute, 2016.

Warning: These citations may not always be 100% accurate.