Cita APA (7a ed.)

National Research Council. USA & Hayes, C. D. (1990). Who cares for America's children?: Child care policy for the 1990s. National Acad. Pr.

Cita Chicago Style (17a ed.)

National Research Council. USA y Cheryl D. Hayes. Who Cares for America's Children?: Child Care Policy for the 1990s. Washington, DC: National Acad. Pr, 1990.

Cita MLA (9a ed.)

National Research Council. USA y Cheryl D. Hayes. Who Cares for America's Children?: Child Care Policy for the 1990s. National Acad. Pr, 1990.