Cita APA (7a ed.)

ebrary, Inc, & Brown, S. S. (1988). Prenatal care: Reaching mothers, reaching infants. National Academy Press.

Cita Chicago Style (17a ed.)

ebrary, Inc, y Sarah S. Brown. Prenatal Care: Reaching Mothers, Reaching Infants. Washington, D.C.: National Academy Press, 1988.

Cita MLA (9a ed.)

ebrary, Inc, y Sarah S. Brown. Prenatal Care: Reaching Mothers, Reaching Infants. National Academy Press, 1988.