APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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