Croft, W. B., Metzler, D., & Strohman, T. (2010). Search engines: Information retrieval in practice. Pearson.
Chicago Style (17th ed.) CitationCroft, W. Bruce, Donald Metzler, and Trevor Strohman. Search Engines: Information Retrieval in Practice. Boston: Pearson, 2010.
MLA (8th ed.) CitationCroft, W. Bruce, et al. Search Engines: Information Retrieval in Practice. Pearson, 2010.
Warning: These citations may not always be 100% accurate.