APA (7th ed.) Citation
Goker, A., & Davies, J. (2009). Information retrieval: Searching in the 21st century. John Wiley & Sons.
Chicago Style (17th ed.) Citation
Goker, Ayse, and John Davies. Information Retrieval: Searching in the 21st Century. Chichester: John Wiley & Sons, 2009.
MLA (9th ed.) Citation
Goker, Ayse, and John Davies. Information Retrieval: Searching in the 21st Century. John Wiley & Sons, 2009.
Warning: These citations may not always be 100% accurate.