APA Citation

Harold Abelson, A. A. D. Turtle geometry The computer as a medium for exploring mathematics. The Mit Press.

Chicago Style Citation

Harold Abelson, Andrea A. Disessa. Turtle Geometry The Computer As a Medium for Exploring Mathematics. The Mit Press.

MLA Citation

Harold Abelson, Andrea A. Disessa. Turtle Geometry The Computer As a Medium for Exploring Mathematics. The Mit Press.

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