APA-viite (7. p.)

Soifer, A. (2011). The Colorado mathematical olympiad and further explorations: From the mountains of Colorado to the peaks of Mathematics. Springer New York.

Chicago-viite (17. p.)

Soifer, Alexander. The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. New York, New York: Springer New York, 2011.

MLA-viite (9. p.)

Soifer, Alexander. The Colorado Mathematical Olympiad and Further Explorations: From the Mountains of Colorado to the Peaks of Mathematics. Springer New York, 2011.