APA (7th ed.) Citation

Barbeau, E. J., Klamkin, M. S., & Moser, W. O. J. (1995). Five hundred mathematical challenges. Mathematical association of america.

Chicago Style (17th ed.) Citation

Barbeau, Edward J., Murray S. Klamkin, and William O. J. Moser. Five Hundred Mathematical Challenges. Washington: Mathematical association of america, 1995.

MLA (9th ed.) Citation

Barbeau, Edward J., et al. Five Hundred Mathematical Challenges. Mathematical association of america, 1995.