APA Citation

Andreescu, T. 1., Gelca, R., & Saul, M. E. (2009). Mathematical olympiad challenges (2. edition.). Boston: Birkhaüser.

Chicago Style Citation

Andreescu, Titu 1956-, Razvan Gelca, and Mark E. Saul. Mathematical Olympiad Challenges. 2. edition. Boston: Birkhaüser, 2009.

MLA Citation

Andreescu, Titu 1956-, Razvan Gelca, and Mark E. Saul. Mathematical Olympiad Challenges. 2. edition. Boston: Birkhaüser, 2009.

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