APA (7th ed.) Citation

Lang, S. (1985). Math!: Encounters with high school students. Springer.

Chicago Style (17th ed.) Citation

Lang, Serge. Math!: Encounters with High School Students. New York ; Berlin [u.a.]: Springer, 1985.

MLA (9th ed.) Citation

Lang, Serge. Math!: Encounters with High School Students. Springer, 1985.