Cita APA (7a ed.)

Chalmers, I., Enkin, M., & Keirse, M. J. N. C. (1990). Effective care in pregnancy and childbirth (Repr. with corrections.). Oxford University Press.

Cita Chicago Style (17a ed.)

Chalmers, Iain, Murray Enkin, y Marc J. N. C. Keirse. Effective Care in Pregnancy and Childbirth. Repr. with corrections. Oxford [etc.]: Oxford University Press, 1990.

Cita MLA (9a ed.)

Chalmers, Iain, et al. Effective Care in Pregnancy and Childbirth. Repr. with corrections. Oxford University Press, 1990.