APA (7th ed.) Citation

Armour, P. G. (2004). Beware of Counting LOC. Communications of the ACM, 47(3), 21. https://doi.org/10.1145/971617.971635

Chicago Style (17th ed.) Citation

Armour, Philip G. "Beware of Counting LOC." Communications of the ACM 47, no. 3 (2004): 21. https://doi.org/10.1145/971617.971635.

MLA (9th ed.) Citation

Armour, Philip G. "Beware of Counting LOC." Communications of the ACM, vol. 47, no. 3, 2004, p. 21, https://doi.org/10.1145/971617.971635.