APA Edition Citation

Andreescu, T., & Gelca, R. Mathematical olympiad challenges.

Chicago Edition Citation

Andreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. Springer (India) Private Ltd., New Delhi.

MLA Edition Citation

Andreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges.

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