APA (7th ed.) Citation

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Runchock, R., & Droste, K. (1989). Class C. Auxiliary sciences of history: Library of Congress classification schedules combined with additions and changes through 1988. Gale Research Inc.

Chicago Style (17th ed.) Citation

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Rita Runchock, and Kathleen Droste. Class C. Auxiliary Sciences of History: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Detroit, Michigan: Gale Research Inc, 1989.

MLA (9th ed.) Citation

U.S. Library of Congress. Subject Cataloging Division, et al. Class C. Auxiliary Sciences of History: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Gale Research Inc, 1989.