APA

Berendt B., Association for Computing Machinery, ACM Special Interest Group on Information Retrieval & ACM Special Interest Group on Hypertext H. a. W. (2011). Proceedings of the 20th ACM international conference on Information and knowledge management. New York, NY: ACM.

Chicago

Berendt Bettina, Association for Computing Machinery, ACM Special Interest Group on Information Retrieval and ACM Special Interest Group on Hypertext Hypermedia and Web. 2011. Proceedings of the 20th ACM international conference on Information and knowledge management. New York, NY: ACM.

Harvard

Berendt B., Association for Computing Machinery, ACM Special Interest Group on Information Retrieval and ACM Special Interest Group on Hypertext H. a. W. (2011). Proceedings of the 20th ACM international conference on Information and knowledge management. New York, NY: ACM.

MLA

Berendt Bettina, Association for Computing Machinery, ACM Special Interest Group on Information Retrieval and ACM Special Interest Group on Hypertext Hypermedia and Web. Proceedings of the 20th ACM international conference on Information and knowledge management. New York, NY: ACM. 2011.