Cita APA (7th ed.)

Evans, G. E., Heft, S. M., & Bloomberg, M. (1994). Introduction to technical services (6th ed.). Libraries Unlimited.

Cita Chicago (17th ed.)

Evans, G. Edward, Sandra M. Heft, i Marty Bloomberg. Introduction to Technical Services. 6th ed. Englewood, Colo: Libraries Unlimited, 1994.

Cita MLA (9th ed.)

Evans, G. Edward, et al. Introduction to Technical Services. 6th ed. Libraries Unlimited, 1994.