Citazione Stile APA (7a Edizione)
Anonymous. (2001). Library of Congress and OCLC to collaborate on digital reference project. OCLC Systems & Services.
Citazione stile Chigago Style (17a edizione)
Anonymous. "Library of Congress and OCLC to Collaborate on Digital Reference Project." OCLC Systems & Services 2001.
Citatione MLA (9a ed.)
Anonymous. "Library of Congress and OCLC to Collaborate on Digital Reference Project." OCLC Systems & Services, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.