APA (7th ed.) Citation

Klee, S., Malkin, K., & Pevtsova, J. (2021). Math out loud: An oral olympiad handbook. American Mathematical Society.

Chicago Style (17th ed.) Citation

Klee, Steven, Kolya Malkin, and Julia Pevtsova. Math Out Loud: An Oral Olympiad Handbook. Providence, Rhode Island: American Mathematical Society, 2021.

MLA (9th ed.) Citation

Klee, Steven, et al. Math Out Loud: An Oral Olympiad Handbook. American Mathematical Society, 2021.