Cita APA (7a ed.)

Whitlatch, J. B. (2000). Evaluating reference services: A practical guide. American Library Association.

Cita Chicago Style (17a ed.)

Whitlatch, Jo Bell. Evaluating Reference Services: A Practical Guide. Chicago: American Library Association, 2000.

Cita MLA (8a ed.)

Whitlatch, Jo Bell. Evaluating Reference Services: A Practical Guide. American Library Association, 2000.