APA (7th ed.) Citation

McCallum, A. (2005). Information extraction: Distilling structured data from unstructured text. ACM queue : architecting tomorrow's computing..

Chicago Style (17th ed.) Citation

McCallum, Andrew. "Information Extraction: Distilling Structured Data from Unstructured Text." ACM Queue : Architecting Tomorrow's Computing. 2005.

MLA (9th ed.) Citation

McCallum, Andrew. "Information Extraction: Distilling Structured Data from Unstructured Text." ACM Queue : Architecting Tomorrow's Computing., 2005.

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