Cita APA (7th ed.)

United States. Library of Congress & Library of Congress. Cataloging Policy and Support Office. (2008). Library of Congress classification. R. Medicine (2008 ed.). Library of Congress, Cataloging Distribution Service.

Cita Chicago (17th ed.)

United States. Library of Congress i Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. R. Medicine. 2008 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2008.

Cita MLA (9th ed.)

United States. Library of Congress i Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. R. Medicine. 2008 ed. Library of Congress, Cataloging Distribution Service, 2008.