توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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