Cita APA (7a ed.)

Kern, M. K. (2009). Virtual reference best practices: Tailoring services to your library. American Library Association.

Cita Chicago Style (17a ed.)

Kern, M. Kathleen. Virtual Reference Best Practices: Tailoring Services to Your Library. Chicago: American Library Association, 2009.

Cita MLA (9a ed.)

Kern, M. Kathleen. Virtual Reference Best Practices: Tailoring Services to Your Library. American Library Association, 2009.