APA Style

Chapman, V., Charles, C. (2013). The Midwife's Labour and Birth Handbook ( PDFDrive.com ) (3rd ed.). Chichester, West Sussex: Wiley-Blackwell.

MLA Style

Chapman, Vicky., Charles, Cathy. "The Midwife's Labour and Birth Handbook ( PDFDrive.com )". 3rd ed. Chichester, West Sussex: Wiley-Blackwell, 2013. Text.