APA
Staffordshire, Shropshire & Black Country Newborn and Maternity Network. (2017). Obstetric Guidelines 2017-19. New York: NHS.
Chicago
Staffordshire, Shropshire and Black Country Newborn and Maternity Network. 2017. Obstetric Guidelines 2017-19. New York: NHS.
Harvard
Staffordshire, Shropshire and Black Country Newborn and Maternity Network. (2017). Obstetric Guidelines 2017-19. New York: NHS.
MLA
Staffordshire, Shropshire and Black Country Newborn and Maternity Network. Obstetric Guidelines 2017-19. New York: NHS. 2017.