APA (7th ed.) Citation

Bergman, L., & Bergman,Lawrence Contributor. (2009). Proceedings of the Third Acm Conference on Recommender Systems. Association for Computing Machinery.

Chicago Style (17th ed.) Citation

Bergman, Lawrence, and Bergman,Lawrence Contributor. Proceedings of the Third Acm Conference on Recommender Systems. [Place of publication not identified]: Association for Computing Machinery, 2009.

MLA (9th ed.) Citation

Bergman, Lawrence, and Bergman,Lawrence Contributor. Proceedings of the Third Acm Conference on Recommender Systems. Association for Computing Machinery, 2009.