APA Citation

Abelson, H., & Di Sessa, A. (1984). Turtle geometry: The computer as a medium for exploring mathematics. Cambridge, Mass.: MIT.

Chicago Style Citation

Abelson, Harold, and Andrea Di Sessa. Turtle Geometry: The Computer As a Medium for Exploring Mathematics. Cambridge, Mass.: MIT, 1984.

MLA Citation

Abelson, Harold, and Andrea Di Sessa. Turtle Geometry: The Computer As a Medium for Exploring Mathematics. Cambridge, Mass.: MIT, 1984.

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