APA (7th ed.) Citation

Library of Congress. Subject Cataloging Division, Gale Research Inc, Droste, K., & Runchock, R. Class A. General works: Library of Congress classification schedules combined with additions and changes through 1988.

Chicago Style (17th ed.) Citation

Library of Congress. Subject Cataloging Division, Gale Research Inc, Kathleen Droste, and Rita Runchock. Class A. General Works: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988.

MLA (9th ed.) Citation

Library of Congress. Subject Cataloging Division, et al. Class A. General Works: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988.