APA (7th ed.) Citation

Educational Technology Center, C., & Perkins, D. N. (1986). Nontrivial Pursuit: The Hidden Complexity of Elementary Logo Programming. Technical Report.

Chicago Style (17th ed.) Citation

Educational Technology Center, Cambridge, and D. N. Perkins. Nontrivial Pursuit: The Hidden Complexity of Elementary Logo Programming. Technical Report. 1986.

MLA (9th ed.) Citation

Educational Technology Center, Cambridge, and D. N. Perkins. Nontrivial Pursuit: The Hidden Complexity of Elementary Logo Programming. Technical Report. 1986.

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