APA (7th ed.) Citation

Dragalin, A. G. (1988). Mathematical intuitionism: Introduction to proof theory. American Math. Soc.

Chicago Style (17th ed.) Citation

Dragalin, Alb́ert G. Mathematical Intuitionism: Introduction to Proof Theory. Providence, RI: American Math. Soc, 1988.

MLA (9th ed.) Citation

Dragalin, Alb́ert G. Mathematical Intuitionism: Introduction to Proof Theory. American Math. Soc, 1988.