Cita APA (7th ed.)

OCLC, ebrary, Inc, & Eden, B. L. (2011). OCLC systems & services: International digital library perpsectives. Emerald.

Cita Chicago (17th ed.)

OCLC, Inc ebrary, i Bradford Lee Eden. OCLC Systems & Services: International Digital Library Perpsectives. [Bradford, UK]: Emerald, 2011.

Cita MLA (9th ed.)

OCLC, et al. OCLC Systems & Services: International Digital Library Perpsectives. Emerald, 2011.