APA (7th ed.) Citation

Andreescu, T., & Feng, Z. (2005). 103 Trigonometry Problems: From the Training of the USA IMO Team. Birkhäuser Boston.

Chicago Style (17th ed.) Citation

Andreescu, Titu, and Zuming Feng. 103 Trigonometry Problems: From the Training of the USA IMO Team. Boston, MA: Birkhäuser Boston, 2005.

MLA (8th ed.) Citation

Andreescu, Titu, and Zuming Feng. 103 Trigonometry Problems: From the Training of the USA IMO Team. Birkhäuser Boston, 2005.