Cita APA (7a ed.)

Barrett, K., & Greenberg, A. (2018). Student-Staffed Virtual Reference Services: How to Meet the Training Challenge.

Cita Chicago Style (17a ed.)

Barrett, Kathryn, y Amy Greenberg. Student-Staffed Virtual Reference Services: How to Meet the Training Challenge. 2018.

Cita MLA (9a ed.)

Barrett, Kathryn, y Amy Greenberg. Student-Staffed Virtual Reference Services: How to Meet the Training Challenge. 2018.