APA Citation

Pattis, R. E. (1981). Karel the Robot: :a gentle introduction to the art of programming with Pascal. New York:John Wiley and Sons.

Chicago Style Citation

Pattis, Richard E. Karel the Robot: :a Gentle Introduction to the Art of Programming With Pascal. New York:John Wiley and Sons, 1981.

MLA Citation

Pattis, Richard E. Karel the Robot: :a Gentle Introduction to the Art of Programming With Pascal. New York:John Wiley and Sons, 1981.

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