United States. Library of Congress, Savage, H., Droste, K. D., & Runshock, R. (1987). Library of Congress classification schedules combined with additions and changes through 1986 Class C: Auxillary sciences of history. Gale Research Inc.
Citação do estilo Chicago (17ª ed.)United States. Library of Congress, Helen Savage, Kathleen D. Droste, e Rita Runshock. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class C: Auxillary Sciences of History. Detroit: Gale Research Inc, 1987.
Citação MLA (9ª ed.)United States. Library of Congress, et al. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class C: Auxillary Sciences of History. Gale Research Inc, 1987.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.