APA Style
Pattis, Richard E.. (1981).
Karel the robot: a gentle introduction to the art of programming .
New York:
John wiley & sons.
Chicago Style
Pattis, Richard E..
Karel the robot: a gentle introduction to the art of programming.
New York:
John wiley & sons,
1981.
Book.
MLA Style
Pattis, Richard E..
Karel the robot: a gentle introduction to the art of programming.
New York:
John wiley & sons,
1981.
Book.
Turabian Style
Pattis, Richard E..
Karel the robot: a gentle introduction to the art of programming.
New York:
John wiley & sons,
1981.
Book.