Cita APA (7a ed.)

United States. Library of Congress. Subject Cataloging Division & Library of Congress. Cataloging Distribution Service. (1989). Free-floating subdivisions: An alphabetical index. Cataloging Distribution Service, Library of Congress.

Cita Chicago Style (17a ed.)

United States. Library of Congress. Subject Cataloging Division y Library of Congress. Cataloging Distribution Service. Free-floating Subdivisions: An Alphabetical Index. Washington, D.C: Cataloging Distribution Service, Library of Congress, 1989.

Cita MLA (9a ed.)

United States. Library of Congress. Subject Cataloging Division y Library of Congress. Cataloging Distribution Service. Free-floating Subdivisions: An Alphabetical Index. Cataloging Distribution Service, Library of Congress, 1989.