Cita APA

(1987). Statistical abstract of the United States 1988: National data book and guide to sources (108. edition.). Washington, D.C.: U. S. Department of Comerce, Bureau of the Census.

Citación estilo Chicago

Statistical Abstract of the United States 1988: National Data Book and Guide to Sources. 108. edition. Washington, D.C.: U. S. Department of Comerce, Bureau of the Census, 1987.

Cita MLA

Statistical Abstract of the United States 1988: National Data Book and Guide to Sources. 108. edition. Washington, D.C.: U. S. Department of Comerce, Bureau of the Census, 1987.