APA (7th ed.) Citation

ACM Special Interest Group on Information Retrieval, International Conference on Research and Development in Information Retrieval, & Clarke, C. L. A. (2007). Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval: SIGIR '07, July 23 - 27, 2007, Amsterdam, The Netherlands. ACM.

Chicago Style (17th ed.) Citation

ACM Special Interest Group on Information Retrieval, International Conference on Research and Development in Information Retrieval, and Charles L. A. Clarke. Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval: SIGIR '07, July 23 - 27, 2007, Amsterdam, The Netherlands. New York, NY: ACM, 2007.

MLA (9th ed.) Citation

ACM Special Interest Group on Information Retrieval, et al. Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval: SIGIR '07, July 23 - 27, 2007, Amsterdam, The Netherlands. ACM, 2007.