Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.