APA (7th ed.) Citation

Baeza-Yates, R. (1999). Modern information retrieval. ACM Press.

Chicago Style (17th ed.) Citation

Baeza-Yates, Ricardo. Modern Information Retrieval. ACM Press, 1999.

MLA (8th ed.) Citation

Baeza-Yates, Ricardo. Modern Information Retrieval. ACM Press, 1999.

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