Cita APA (7a ed.)

Lankes, R. D., & Nast, P. (2007). Virtual reference service: From competencies to assessment. Neal-Schuman Publishers.

Cita Chicago Style (17a ed.)

Lankes, R. David, y Philip Nast. Virtual Reference Service: From Competencies to Assessment. New York: Neal-Schuman Publishers, 2007.

Cita MLA (9a ed.)

Lankes, R. David, y Philip Nast. Virtual Reference Service: From Competencies to Assessment. Neal-Schuman Publishers, 2007.