APA (7th ed.) Citation

JOHNSON, B. (2009). Reveling in Constraints. Communications of the ACM, 52(9), 44. https://doi.org/10.1145/1562164.1562181

Chicago Style (17th ed.) Citation

JOHNSON, BRUCE. "Reveling in Constraints." Communications of the ACM 52, no. 9 (2009): 44. https://doi.org/10.1145/1562164.1562181.

MLA (9th ed.) Citation

JOHNSON, BRUCE. "Reveling in Constraints." Communications of the ACM, vol. 52, no. 9, 2009, p. 44, https://doi.org/10.1145/1562164.1562181.

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