APA (7th ed.) Citation

Pontri︠a︡gin, L. S. (1984). Learning higher mathematics. Springer-Verlag.

Chicago Style (17th ed.) Citation

Pontri︠a︡gin, L. S. Learning Higher Mathematics. Berlin ; New York: Springer-Verlag, 1984.

MLA (9th ed.) Citation

Pontri︠a︡gin, L. S. Learning Higher Mathematics. Springer-Verlag, 1984.