Cita APA (7th ed.)

Bowlby, J. (1952). Maternal care and mental health (Segunda edición.). World Health Organization.

Cita Chicago (17th ed.)

Bowlby, John. Maternal Care and Mental Health. Segunda edición. Geneva: World Health Organization, 1952.

Cita MLA (8th ed.)

Bowlby, John. Maternal Care and Mental Health. Segunda edición. World Health Organization, 1952.