APA Style

Cassell, Kay Ann, Hiremath, Uma. (2011). Reference and information services in the 21st century an introduction . London: Neal-Schuman.

Chicago Style

Cassell, Kay Ann, Hiremath, Uma. Reference and information services in the 21st century an introduction. London: Neal-Schuman, 2011. Text.

MLA Style

Cassell, Kay Ann, Hiremath, Uma. Reference and information services in the 21st century an introduction. London: Neal-Schuman, 2011. Text.

Turabian Style

Cassell, Kay Ann, Hiremath, Uma. Reference and information services in the 21st century an introduction. London: Neal-Schuman, 2011. Print.