APA (7th ed.) Citation

Ivanov, O., & Burns, R. G. (1999). Easy as π?: An introduction to Higher Mathematics. Springer.

Chicago Style (17th ed.) Citation

Ivanov, O.A, and Robert G. Burns. Easy as π?: An Introduction to Higher Mathematics. New York: Springer, 1999.

MLA (8th ed.) Citation

Ivanov, O.A, and Robert G. Burns. Easy as π?: An Introduction to Higher Mathematics. Springer, 1999.