APA (7th ed.) Citation

Freudenthal, H. (1972). Mathematics as an Educational Task. Springer Netherlands.

Chicago Style (17th ed.) Citation

Freudenthal, Hans. Mathematics as an Educational Task. Dordrecht: Springer Netherlands, 1972.

MLA (9th ed.) Citation

Freudenthal, Hans. Mathematics as an Educational Task. Springer Netherlands, 1972.

Warning: These citations may not always be 100% accurate.