Citação norma APA

Library of Congress & Subjet Cataloging Division. (2007). Library of Congress Subject Headings (30th ed.). The National Bibliographic Service.

Citação norma Chicago

Library of Congress and Subjet Cataloging Division. Library of Congress Subject Headings. 30th ed. Washington: The National Bibliographic Service, 2007.

Citação norma MLA

Library of Congress and Subjet Cataloging Division. Library of Congress Subject Headings. 30th ed. The National Bibliographic Service, 2007.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.