APA aipamena

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Runchock, R., & Droste, K. (1989). Class G. Geography, maps, anthropology, recreation: Library of Congress classification schedules combined with additions and changes through 1988. Gale Research Inc.

Chicago Style aipamena

U.S. Library of Congress. Subject Cataloging Division, Gale Research Inc, Rita Runchock, and Kathleen Droste. Class G. Geography, Maps, Anthropology, Recreation: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Detroit, Michigan: Gale Research Inc, 1989.

MLA aipamena

U.S. Library of Congress. Subject Cataloging Division, et al. Class G. Geography, Maps, Anthropology, Recreation: Library of Congress Classification Schedules Combined with Additions and Changes Through 1988. Gale Research Inc, 1989.