Cita APA (7a ed.)

Farrell, T. J. (1994). Effective telephone skills (2nd ed.). Dryden Press.

Cita Chicago Style (17a ed.)

Farrell, Thomas J. Effective Telephone Skills. 2nd ed. Fort Worth: Dryden Press, 1994.

Cita MLA (9a ed.)

Farrell, Thomas J. Effective Telephone Skills. 2nd ed. Dryden Press, 1994.