APA (7th ed.) Citation

Andreescu, T., & Feng, Z. (2005). 103 trigonometry problems: From the training of the USA IMO team. Birkhäuser.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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