Cita APA (7a ed.)

Coutts, B. E., & Hoffert, B. (1997). The Reference Revolution: Wired for the '90s [and] New Customers, New Approaches.

Cita Chicago Style (17a ed.)

Coutts, Brian E., y Barbara Hoffert. The Reference Revolution: Wired for the '90s [and] New Customers, New Approaches. 1997.

Cita MLA (9a ed.)

Coutts, Brian E., y Barbara Hoffert. The Reference Revolution: Wired for the '90s [and] New Customers, New Approaches. 1997.