APA Edition Citation

Bopp, R. E., & Smith, L. C. (2005). Reference and information services: An introduction (3rd. ed.). Libraries Unlimited.

Chicago Edition Citation

Bopp, Richard E., and Linda C. Smith. Reference and Information Services: An Introduction. 3rd. ed. Colorado, USA: Libraries Unlimited, 2005.

MLA Edition Citation

Bopp, Richard E., and Linda C. Smith. Reference and Information Services: An Introduction. 3rd. ed. Libraries Unlimited, 2005.