APA (7th ed.) Citation

Bopp, R. E., & Smith, L. C. (1995). Reference and information services: An introduction (2nd ed.). Libraries Unlimited.

Chicago Style (17th ed.) Citation

Bopp, Richard E., and Linda C. Smith. Reference and Information Services: An Introduction. 2nd ed. Englewood, Colo.: Libraries Unlimited, 1995.

MLA (8th ed.) Citation

Bopp, Richard E., and Linda C. Smith. Reference and Information Services: An Introduction. 2nd ed. Libraries Unlimited, 1995.