Cita APA (7th ed.)

Baeza-Yates, R., & Ribeiro, B. d. A. N. (1999). Modern information retrieval. ACM Press ; Addison-Wesley, ; Pearson Education.

Cita Chicago (17th ed.)

Baeza-Yates, R., i Berthier de Araújo Neto Ribeiro. Modern Information Retrieval. New York : Harlow, England : New Delhi: ACM Press ; Addison-Wesley, ; Pearson Education, 1999.

Cita MLA (8th ed.)

Baeza-Yates, R., i Berthier de Araújo Neto Ribeiro. Modern Information Retrieval. ACM Press ; Addison-Wesley, ; Pearson Education, 1999.