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 D: History : General and Old World. Gale Research Inc.
Citação norma ChicagoUnited States. Library of Congress, Helen Savage, Kathleen D. Droste, and Rita Runshock. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class D: History : General and Old World. Detroit: Gale Research Inc, 1987.
Citação norma MLAUnited States. Library of Congress, et al. Library of Congress Classification Schedules Combined with Additions and Changes Through 1986 Class D: History : General and Old World. Gale Research Inc, 1987.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.