APA (7th ed.) Citation

Abelson, H., & diSessa, A. (1986). Turtle Geometry: The Computer as a Medium for Exploring Mathematics. The MIT Press. https://doi.org/10.7551/mitpress/6933.001.0001

Chicago Style (17th ed.) Citation

Abelson, Harold, and Andrea diSessa. Turtle Geometry: The Computer as a Medium for Exploring Mathematics. Cambridge: The MIT Press, 1986. https://doi.org/10.7551/mitpress/6933.001.0001.

MLA (9th ed.) Citation

Abelson, Harold, and Andrea diSessa. Turtle Geometry: The Computer as a Medium for Exploring Mathematics. The MIT Press, 1986. https://doi.org/10.7551/mitpress/6933.001.0001.