APA (7th ed.) Citation
Patterson, D. A. (2006). Computer Science Education in the 21st Century. Communications of the ACM, 49(3), 27-31.
Chicago Style (17th ed.) Citation
Patterson, David A. "Computer Science Education in the 21st Century." Communications of the ACM 49, no. 3 (2006): 27-31.
MLA (9th ed.) Citation
Patterson, David A. "Computer Science Education in the 21st Century." Communications of the ACM, vol. 49, no. 3, 2006, pp. 27-31.
Warning: These citations may not always be 100% accurate.