APA (7th ed.) Citation

Carmel, D., & Yom-Tov, E. (2010). Estimating the query difficulty for information retrieval. Morgan & Claypool Publishers.

Chicago Style (17th ed.) Citation

Carmel, David, and Elad Yom-Tov. Estimating the Query Difficulty for Information Retrieval. [San Rafael, California]: Morgan & Claypool Publishers, 2010.

MLA (9th ed.) Citation

Carmel, David, and Elad Yom-Tov. Estimating the Query Difficulty for Information Retrieval. Morgan & Claypool Publishers, 2010.