APA (7th ed.) Citation

(1993). Library of Congress subject headings Volum 1 - 4. Library of Congress; Washington.

Chicago Style (17th ed.) Citation

Library of Congress Subject Headings Volum 1 - 4. Library of Congress; Washington, 1993.

MLA (9th ed.) Citation

Library of Congress Subject Headings Volum 1 - 4. Library of Congress; Washington, 1993.

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