APA (7th ed.) Citation

CAFARELLA, M. J., HALEVY, A., & MADHAVAN, J. (2011). Structured Data on the Web. Communications of the ACM, 54(2), 72. https://doi.org/10.1145/1897816.1897839

Chicago Style (17th ed.) Citation

CAFARELLA, MICHAEL J., ALON HALEVY, and JAYANT MADHAVAN. "Structured Data on the Web." Communications of the ACM 54, no. 2 (2011): 72. https://doi.org/10.1145/1897816.1897839.

MLA (9th ed.) Citation

CAFARELLA, MICHAEL J., et al. "Structured Data on the Web." Communications of the ACM, vol. 54, no. 2, 2011, p. 72, https://doi.org/10.1145/1897816.1897839.