Cita APA

Howell, C. J., Dean, T., Lucking, L., Dziedzic, K., Jones, P. W., & Johanson, R. B. (2002). Randomised study of long term outcome after epidural versus non-epidural analgesia during labour. BMJ.

Chicago Style Citation

Howell, Charlotte J., Tracy Dean, Linda Lucking, Krysia Dziedzic, Peter W. Jones, i Richard B. Johanson. Randomised Study of Long Term Outcome After Epidural Versus Non-epidural Analgesia During Labour. BMJ, 2002.

Cita MLA

Howell, Charlotte J., et al. Randomised Study of Long Term Outcome After Epidural Versus Non-epidural Analgesia During Labour. BMJ, 2002.