APA (7th ed.) Citation

Andreescu, T., Andrica, D., & Feng, Z. (2007). 104 number theory problems: From the training of the USA IMO team. Birkhäuser.

Chicago Style (17th ed.) Citation

Andreescu, Titu, Dorin Andrica, and Zuming Feng. 104 Number Theory Problems: From the Training of the USA IMO Team. Boston [u.a.]: Birkhäuser, 2007.

MLA (9th ed.) Citation

Andreescu, Titu, et al. 104 Number Theory Problems: From the Training of the USA IMO Team. Birkhäuser, 2007.