Cita APA (7a ed.)

Ciba Foundation. Symposium. otros. (1979). Maternal recognition of pregnancy: [Symposium on Maternal ..., held at the Ciba Foundation London, 9th-11th May, 1978]. Excerpta Medica Foundation.

Cita Chicago Style (17a ed.)

Ciba Foundation. Symposium. otros. Maternal Recognition of Pregnancy: [Symposium on Maternal ..., Held at the Ciba Foundation London, 9th-11th May, 1978]. Amsterdam [etc.]: Excerpta Medica Foundation, 1979.

Cita MLA (9a ed.)

Ciba Foundation. Symposium. otros. Maternal Recognition of Pregnancy: [Symposium on Maternal ..., Held at the Ciba Foundation London, 9th-11th May, 1978]. Excerpta Medica Foundation, 1979.