APA (7th ed.) Citation

Library of congress. (1993). Subject headings: Vol I to IV (16th ed.). Catalogue policy & Support Office.

Chicago Style (17th ed.) Citation

Library of congress. Subject Headings: Vol I to IV. 16th ed. Washington: Catalogue policy & Support Office, 1993.

MLA (8th ed.) Citation

Library of congress. Subject Headings: Vol I to IV. 16th ed. Catalogue policy & Support Office, 1993.