Citação norma APA

Library of Congress. Subject Cataloging Division. (1982). Classification. Class P-PZ, language and literature tables. The Library For sale by the Cataloging Distribution Service, Library of Congress.

Citação norma Chicago

Library of Congress. Subject Cataloging Division. Classification. Class P-PZ, Language and Literature Tables. Washington: The Library For sale by the Cataloging Distribution Service, Library of Congress, 1982.

Citação norma MLA

Library of Congress. Subject Cataloging Division. Classification. Class P-PZ, Language and Literature Tables. The Library For sale by the Cataloging Distribution Service, Library of Congress, 1982.

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