APA (7th ed.) Citation
(2006). Top 10 Downloads from ACM's Digital Library. Communications of the ACM, 49(1), 15-17.
Chicago Style (17th ed.) Citation
"Top 10 Downloads from ACM's Digital Library." Communications of the ACM 49, no. 1 (2006): 15-17.
MLA (9th ed.) Citation
"Top 10 Downloads from ACM's Digital Library." Communications of the ACM, vol. 49, no. 1, 2006, pp. 15-17.
Warning: These citations may not always be 100% accurate.