APA

Allan J., Association for Computing Machinery & ACM Special Interest Group on Information Retrieval. (2009). Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval. New York, NY: ACM.

Chicago

Allan James, Association for Computing Machinery and ACM Special Interest Group on Information Retrieval. 2009. Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval. New York, NY: ACM.

Harvard

Allan J., Association for Computing Machinery and ACM Special Interest Group on Information Retrieval. (2009). Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval. New York, NY: ACM.

MLA

Allan James, Association for Computing Machinery and ACM Special Interest Group on Information Retrieval. Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval. New York, NY: ACM. 2009.