United States. Library of Congress. (1987). Library of Congress classification schedules combined with additions and changes through 1986 Class G: Geography, Maps, Anthropology, Recreation. Gale Research Inc.
Chicago Style (17th ed.) CitationUnited States. Library of Congress. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class G: Geography, Maps, Anthropology, Recreation. Detroit: Gale Research Inc, 1987.
MLA (9th ed.) CitationUnited States. Library of Congress. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class G: Geography, Maps, Anthropology, Recreation. Gale Research Inc, 1987.
Warning: These citations may not always be 100% accurate.