APA

Association for Computing Machinery, Institute of Electrical and Electronics Engineers, . (2001). Joint Conference on Digital Libraries. New York, NY: ACM.

Chicago

Association for Computing Machinery, Institute of Electrical and Electronics Engineers, . 2001. Joint Conference on Digital Libraries. New York, NY: ACM.

Harvard

Association for Computing Machinery, Institute of Electrical and Electronics Engineers, . (2001). Joint Conference on Digital Libraries. New York, NY: ACM.

MLA

Association for Computing Machinery, Institute of Electrical and Electronics Engineers, . Joint Conference on Digital Libraries. New York, NY: ACM. 2001.