APA (7th ed.) Citation

Goker, A., & Davies, J. (2009). Information retrieval: Searching in the 21st century. Wiley.

Chicago Style (17th ed.) Citation

Goker, Ayse, and J. Davies. Information Retrieval: Searching in the 21st Century. Chichester, West Sussex, U.K. ; Hoboken, N.J.: Wiley, 2009.

MLA (9th ed.) Citation

Goker, Ayse, and J. Davies. Information Retrieval: Searching in the 21st Century. Wiley, 2009.