Citazione Stile APA (7a Edizione)
Cassell, K. A., & Hiremath, U. (2011). Reference and information services in the 21st century: An introduction (2nd ed. rev.). Neal-Schuman Publishers.
Citazione stile Chigago Style (17a edizione)
Cassell, Kay Ann, e Uma Hiremath. Reference and Information Services in the 21st Century: An Introduction. 2nd ed. rev. New York: Neal-Schuman Publishers, 2011.
Citatione MLA (9a ed.)
Cassell, Kay Ann, e Uma Hiremath. Reference and Information Services in the 21st Century: An Introduction. 2nd ed. rev. Neal-Schuman Publishers, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.