Cita APA (7a ed.)
ebrary, Inc. (1998). Protecting youth at work: Health, safety, and development of working children and adolescents in the United States. National Academy Press.
Cita Chicago Style (17a ed.)
ebrary, Inc. Protecting Youth at Work: Health, Safety, and Development of Working Children and Adolescents in the United States. Washington, D.C.: National Academy Press, 1998.
Cita MLA (9a ed.)
ebrary, Inc. Protecting Youth at Work: Health, Safety, and Development of Working Children and Adolescents in the United States. National Academy Press, 1998.
Precaución: Estas citas no son 100% exactas.