Library of Congress & Library of Congress. Catalog Maintenance Division. Library of Congress catalog: Books: subjects; a cumulative list of works represented by Library of Congress printed cards. Library of Congress.
Citação do estilo Chicago (17ª ed.)Library of Congress e Library of Congress. Catalog Maintenance Division. Library of Congress Catalog: Books: Subjects; a Cumulative List of Works Represented by Library of Congress Printed Cards. Washington: Library of Congress.
Citação MLA (8ª ed.)Library of Congress e Library of Congress. Catalog Maintenance Division. Library of Congress Catalog: Books: Subjects; a Cumulative List of Works Represented by Library of Congress Printed Cards. Library of Congress.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.