Cita APA (7a ed.)
ebrary, Inc, & Berghella, V. (2010). Preterm birth: Prevention and management. Wiley-Blackwell.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Vincenzo Berghella. Preterm Birth: Prevention and Management. Chichester, West Sussex ; Hoboken, NJ: Wiley-Blackwell, 2010.
Cita MLA (9a ed.)
ebrary, Inc, y Vincenzo Berghella. Preterm Birth: Prevention and Management. Wiley-Blackwell, 2010.
Precaución: Estas citas no son 100% exactas.