Cita APA (7a ed.)

Association for Computing Machinery-Digital Library, Ben-Shimon, D. A., Friedmann, M. C., & Shapira, B. C. (2015). Proceedings of the International ACM Recommender Systems Challenge 2015: September 16, 2015, Vienna, Austria. ACM.

Cita Chicago Style (17a ed.)

Association for Computing Machinery-Digital Library, David Author Ben-Shimon, Michael Contributor Friedmann, y Bracha Contributor Shapira. Proceedings of the International ACM Recommender Systems Challenge 2015: September 16, 2015, Vienna, Austria. [Place of publication not identified]: ACM, 2015.

Cita MLA (9a ed.)

Association for Computing Machinery-Digital Library, et al. Proceedings of the International ACM Recommender Systems Challenge 2015: September 16, 2015, Vienna, Austria. ACM, 2015.