APA (7th ed.) Citation

Garfield, E. (2001). A Retrospective and Prospective View of Information Retrieval and Artificial Intelligence in the 21st Century.

Chicago Style (17th ed.) Citation

Garfield, Eugene. A Retrospective and Prospective View of Information Retrieval and Artificial Intelligence in the 21st Century. 2001.

MLA (9th ed.) Citation

Garfield, Eugene. A Retrospective and Prospective View of Information Retrieval and Artificial Intelligence in the 21st Century. 2001.

Warning: These citations may not always be 100% accurate.