APA (7th ed.) Citation

Troelstra, A. S., & Dalen, D. v. Constructivism in mathematics: An introduction. North-Holland.

Chicago Style (17th ed.) Citation

Troelstra, Anne S., and Dirk van Dalen. Constructivism in Mathematics: An Introduction. Amsterdam [u.a.]: North-Holland.

MLA (9th ed.) Citation

Troelstra, Anne S., and Dirk van Dalen. Constructivism in Mathematics: An Introduction. North-Holland.